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Tag: critical

The thin gray line: Handala, CyberAv3ngers and Iran’s proxy ops

On April 7, six US government agencies issued a critical advisory warning domestic private sector organizations of potential infrastructural cyberattacks conducted by Iranian-affiliated Advanced Persistent Threat (APT) actors. The advisory stops short of attributing these threats to a single group but makes reference to 2023 attacks on US water and wastewater facilities linked to the…

Anthropic MCP Design Vulnerability Enables RCE, Threatening AI Supply Chain

Cybersecurity researchers have discovered a critical “by design” weakness in the Model Context Protocol’s (MCP) architecture that could pave the way for remote code execution and have a cascading effect on the artificial intelligence (AI) supply chain. “This flaw enables Arbitrary Command Execution (RCE) on any system running a vulnerable MCP implementation, granting attackers direct…

World ID expands its ‘proof of human’ vision for the AI era

Identity management is a critical concern for any enterprise, and it’s becoming ever more complex and convoluted with the advent of AI agents. World ID is taking a unique (and to some, controversial) approach to this challenge by building a ‘digital proof of human’ ecosystem for the internet. Today, at its “Lift Off” event, the…

Flawed Cisco update threatens to stop APs from getting further patches

Cisco admins are scrambling to patch a critical flash memory overflow vulnerability in over 200 Cisco Systems IOS XE-based models of wireless access points (APs), caused by a recent flawed software update. If the issue is not corrected quickly, the AP’s memory will become so flooded that new software updates will be blocked and the…

Critical Exploits, AI Shifts, and Major Breaches Redefine Cybersecurity This Week

Major Threats & Vulnerabilities Zero-Day and Active Exploits A critical flaw in Nginx UI is being actively exploited in the wild, allowing unauthenticated users to perform privileged actions through an unprotected endpoint. Administrators are urged to patch immediately and restrict public access to management interfaces. The EngageLab SDK vulnerability affecting over 50 million Android users…

Cisco fixed four critical flaws in Identity Services and Webex

Cisco fixed four critical flaws in Identity Services and Webex that could allow code execution and user impersonation. Cisco has addressed four critical vulnerabilities affecting its Identity Services and Webex platforms. The flaws could allow attackers to execute arbitrary code and impersonate any user within the affected services. The issues pose serious security risks, prompting…

OPSWAT, Emerson Partner on OT Cybersecurity Globally

OPSWAT, a cybersecurity company for critical infrastructure, and Emerson, a global automation company, have announced a global strategic reseller agreement that will bring OPSWAT’s industry-proven cybersecurity technologies to Emerson’s power and water industry customers.  As the first initiative under this enterprise-wide agreement, Emerson will integrate OPSWAT’s scalable, secure operational technology (OT) patch management capabilities into…

Cisco Patches Four Critical Identity Services, Webex Flaws Enabling Code Execution

Cisco has announced patches to address four critical security flaws impacting Identity Services and Webex Services that could result in arbitrary code execution and allow an attacker to impersonate any user within the service. The details of the vulnerabilities are below – CVE-2026-20184 (CVSS score: 9.8) – An improper certificate validation in the integration of single sign-on…

Critical nginx UI tool vulnerability opens web servers to full compromise

Security vendor Pluto Security has published details of a critical vulnerability in the open-source nginx UI web server configuration tool that has been under active exploitation by cybercriminals since March. News of the flaw, identified as CVE-2026-33032, first appeared on the National Vulnerability Database (NVD) on March 30, the same day that threat intelligence companies…

CVE-2026-33032: severe nginx-ui bug grants unauthenticated server access

An actively exploited critical nginx-ui flaw (CVE-2026-33032) lets attackers bypass authentication and take full control of Nginx servers. A critical vulnerability in nginx-ui, tracked as CVE-2026-33032 (CVSS score of 9.8), is being actively exploited, allowing attackers to bypass authentication and fully take over Nginx servers. The issue stems from improper protection of the /mcp_message endpoint,…

Actively Exploited nginx-ui Flaw (CVE-2026-33032) Enables Full Nginx Server Takeover

A recently disclosed critical security flaw impacting nginx-ui, an open-source, web-based Nginx management tool, has come under active exploitation in the wild. The vulnerability in question is CVE-2026-33032 (CVSS score: 9.8), an authentication bypass vulnerability that enables threat actors to seize control of the Nginx service. It has been codenamed MCPwn by Pluto Security. “

April Patch Tuesday Fixes Critical Flaws Across SAP, Adobe, Microsoft, Fortinet, and More

A number of critical vulnerabilities impacting products from Adobe, Fortinet, Microsoft, and SAP have taken center stage in April’s Patch Tuesday releases. Topping the list is an SQL injection vulnerability impacting SAP Business Planning and Consolidation and SAP Business Warehouse (CVE-2026-27681, CVSS score: 9.9) that could result in the execution of arbitrary database 

The deepfake dilemma: From financial fraud to reputational crisis

Deepfake technology has crossed a critical threshold. What was impossible 10 years ago and required specific expertise only a few years ago is now cheap and accessible. Worse, it’s now good enough to fool a wide range of employees and executives. In fact, a 2025 Gartner survey found that 43% of cybersecurity leaders experienced at…

The need for a board-level definition of cyber resilience

Cyber resilience has become a critical governance concern as organizations face increasingly complex and costly cyber threats. However, recent research reveals that the concept of cyber resilience remains inconsistently defined across regulatory frameworks and in some cases presents contradictory guidance to cross-sector and multinational organizations. This conceptual fragmentation poses a systemic risk for top management…

OpenAI expands its cyber defense program with GPT-5.4-Cyber for vetted researchers

Defending critical software has long depended on the ability to find and fix vulnerabilities faster than attackers can exploit them. OpenAI is expanding a program designed to give professional defenders prioritized access to AI tools built for that purpose. The company is scaling its Trusted Access for Cyber (TAC) program to thousands of verified individual…

April Patch Tuesday roundup: Zero day vulnerabilities and critical bugs

A critical hole in Windows Internet Key Exchange for secure communications, an actively exploited zero day in Microsoft SharePoint and a critical SQL injection vulnerability in a SAP product are the focus of the April Patch Tuesday releases requiring immediate attention from IT security teams. “April’s threat landscape is defined by immediate, real-world exploitation rather…

Attackers target unpatched ShowDoc servers via CVE-2025-0520

A critical RCE flaw, tracked as CVE-2025-0520, in ShowDoc is being actively exploited, putting unpatched servers at serious risk. A critical remote code execution flaw, tracked as CVE-2025-0520 (CVSS score of 9.4), affecting ShowDoc is under active exploitation in the wild. ShowDoc is an online tool that helps IT teams share documents and improve collaboration…

Attackers target unpatched ShowDoc servers via CVE-2025-0520

A critical RCE flaw, tracked as CVE-2025-0520, in ShowDoc is being actively exploited, putting unpatched servers at serious risk. A critical remote code execution flaw, tracked as CVE-2025-0520 (CVSS score of 9.4), affecting ShowDoc is under active exploitation in the wild. ShowDoc is an online tool that helps IT teams share documents and improve collaboration…

ShowDoc RCE Flaw CVE-2025-0520 Actively Exploited on Unpatched Servers

A critical security vulnerability impacting ShowDoc, a document management and collaboration service popular in China, has come under active exploitation in the wild. The vulnerability in question is CVE-2025-0520 (aka CNVD-2020-26585), which carries a CVSS score of 9.4 out of 10.0. It relates to a case of unrestricted file upload that stems from improper validation of

Critical flaw in Marimo Python notebook exploited within 10 hours of disclosure

A critical pre-authentication remote code execution vulnerability in Marimo, an open-source Python notebook platform owned by AI cloud company CoreWeave, was exploited in the wild less than 10 hours after its public disclosure, according to the Sysdig Threat Research Team. The vulnerability, tracked as CVE-2026-39987 with a severity score of 9.3 out of 10, affects…

Adobe fixes actively exploited Acrobat Reader flaw CVE-2026-34621

Adobe addressed a critical Acrobat Reader vulnerability, tracked as CVE-2026-34621, which is actively exploited to run malicious code. Adobe released emergency updates to address a critical vulnerability, tracked as CVE-2026-34621 (CVSS score of 8.6), in Adobe Acrobat Reader, which is being actively exploited. The flaw could allow attackers to execute malicious code on affected systems,…

Adobe Patches Actively Exploited Acrobat Reader Flaw CVE-2026-34621

Adobe has released emergency updates to fix a critical security flaw in Acrobat Reader that has come under active exploitation in the wild. The vulnerability, assigned the CVE identifier CVE-2026-34621, carries a CVSS score of 8.6 out of 10.0. Successful exploitation of the flaw could allow an attacker to run malicious code on affected installations. It has been described…

Zero-Days, Data Breaches, and AI Risks Define This Week’s Cybersecurity Landscape in 2026

Major Threats & Vulnerabilities Zero-Day and Critical Exploits A new zero-day vulnerability in Adobe Acrobat Reader is being actively exploited through malicious PDFs. Attackers can steal data and compromise systems, with no patch currently available. Security teams are urged to block untrusted PDFs, disable JavaScript, and use sandboxing with outbound traffic monitoring. The Fortinet EMS…

Iranian attacks on US critical infrastructure puts 3,900 devices in crosshairs

The fallout and potential exposure from Iran’s state-backed targeting of U.S. critical infrastructure extends to more than 5,200 internet-connected devices, researchers at Censys said in a threat intelligence brief Wednesday.   Of the programmable logic controllers manufactured by Rockwell Automation/Allen-Bradley that Censys identified as  potentially exposed to Iranian government attackers, nearly 3,900, or about 3 out…

Internet-Exposed ICS Devices Raise Alarm for Critical Sectors

Exposed ICS devices and insecure protocols like Modbus increase risks to critical infrastructure, enabling disruption, data access, and potential sabotage. Malware targeting industrial control systems (ICS) poses a serious risk to critical infrastructure, with threats like Stuxnet, Industroyer, Triton, Havex, and BlackEnergy already demonstrating the ability to disrupt operations, cause outages, and even inflict physical…

Iranian Threat Actors Target U.S. Critical Infrastructure

A new federal cybersecurity alert is raising alarms across critical infrastructure sectors, as Iranian-affiliated threat actors actively target programmable logic controllers (PLCs) in the United States.  The campaign, confirmed by multiple federal agencies, has already caused operational disruptions and financial losses — marking a notable escalation in cyber activity against industrial environments. “The most notable…

U.S. agencies alert: Iran-linked actors target critical infrastructure PLCs

U.S. agencies warn Iran-linked threat actors are targeting internet-exposed PLCs used in critical infrastructure networks. U.S. agencies, including the FBI and CISA, warn that Iran-linked hackers are targeting internet-exposed Rockwell/Allen-Bradley PLCs used in critical infrastructure. The agencies published a joint advisory involving multiple federal organizations. “Iran-affiliated advanced persistent threat (APT) actors are conducting exploitation activity…

Iran-Linked Hackers Disrupt U.S. Critical Infrastructure by Targeting Internet-Exposed PLCs

Iran-affiliated cyber actors are targeting internet-facing operational technology (OT) devices across critical infrastructures in the U.S., including programmable logic controllers (PLCs), cybersecurity and intelligence agencies warned Tuesday. “These attacks have led to diminished PLC functionality, manipulation of display data and, in some cases, operational disruption and financial

Fortinet releases emergency hotfix for FortiClient EMS zero-day flaw

Hackers have been exploiting a critical vulnerability in FortiClient Endpoint Management Server (FortiClient EMS) since at least the end of March. Fortinet has published an advisory and released an emergency hotfix that can be applied to affected deployments until a patched version can be released. The vulnerability, now tracked as CVE-2026-35616, allows unauthenticated attackers to…

Attackers exploit critical Flowise flaw CVE-2025-59528 for remote code execution

Attackers are exploiting a critical Flowise flaw, tracked as CVE-2025-59528 (CVSS score of 10), that lets them run malicious code and access systems due to poor validation of user-supplied JavaScript. Attackers are actively exploiting a critical vulnerability in Flowise, tracked as CVE-2025-59528, that allows remote code execution and file system access. The flaw stems from improper validation…

New Darktrace Research Shows Evolution of Chinese-Nexus Cyber Operations into Long-Term Strategic Statecraft, Centered on Critical Infrastructure

88% of observed incidents targeted organizations in critical infrastructure sectors, including transportation, telecommunications, healthcare, and manufacturing. Nearly 63% of compromises began with exploitation of internet-facing systems, reinforcing the risk of exposed digital infrastructure. Over half of observed activity impacted Western economies, with the U.S. alone accounting for 22.5% of cases.

CVE-2026-35616: FortiClient EMS Flaw Under Active Exploitation

Fortinet disclosed a critical FortiClient EMS vulnerability that is already being exploited in the wild.  The flaw could allow unauthenticated attackers to bypass API protections and execute unauthorized code or commands on exposed systems.  “This is a zero-day. While there is no full patch, we have to give credit where credit is due: Fortinet has…

CVE-2026-35616: Fortinet fixes actively exploited high-severity flaw

Fortinet issued emergency patches for a critical FortiClient EMS flaw (CVE-2026-35616) actively exploited in the wild. Fortinet released out-of-band patches for a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616 (CVSS 9.1), which is already being exploited in attacks in the wild. The flaw is an improper access control issue that allows attackers to bypass authentication…

Fortinet Patches Actively Exploited CVE-2026-35616 in FortiClient EMS

Fortinet has released out-of-band patches for a critical security flaw impacting FortiClient EMS that it said has been exploited in the wild. The vulnerability, tracked as CVE-2026-35616 (CVSS score: 9.1), has been described as a pre-authentication API access bypass leading to privilege escalation. “An improper access control vulnerability [CWE-284] in FortiClient EMS may allow an

FortiClient EMS zero-day exploited, emergency hotfixes available (CVE-2026-35616)

Defused Cyber has spotted a critical Fortinet FortiClient Endpoint Management Server (EMS) zero-day vulnerability (CVE-2026-35616) being exploited in the wild. This time around, the confirmation of active exploitation came almost immediately from Fortinet, as well. “Fortinet has observed [CVE-2026-35616] to be exploited in the wild and urges vulnerable customers to install the hotfix for FortiClient…

Cisco IMC auth bypass vulnerability allows attackers to alter user passwords (CVE-2026-20093)

Cisco has fixed ten vulnerabilities affecting its Integrated Management Controller (IMC), the most critical of which (CVE-2026-20093) could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system as Admin. Cisco ICM riddled with vulnerabilities Cisco Integrated Management Controller is a built-in hardware management system used in Cisco servers. It allows…

Cisco fixes critical IMC auth bypass present in many products

Cisco has released patches for a critical vulnerability in its out-of-band management solution, present in many of its servers and appliances. The flaw allows unauthenticated remote attackers to gain admin access to the Cisco Integrated Management Controller (IMC), which gives administrators remote control over servers even when the main OS is shut down. The vulnerability,…

Cisco fixed critical and high-severity flaws

Cisco fixed critical flaws that could allow attackers to bypass authentication, run code, and gain access to sensitive data. Cisco released patches for two critical and six high-severity vulnerabilities. These flaws could let attackers bypass authentication, execute malicious code, escalate privileges, and access sensitive information. One of these critical flaws is CVE-2026-20093 (CVSS score of…

Cisco Patches 9.8 CVSS IMC and SSM Flaws Allowing Remote System Compromise

Cisco has released updates to address a critical security flaw in the Integrated Management Controller (IMC) that, if successfully exploited, could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system with elevated privileges. The vulnerability, tracked as CVE-2026-20093, carries a CVSS score of 9.8 out of a maximum of 10.0. “This

The Invisible Breach: How AI Agents Became the Most Dangerous Attack Surface of 2025–2026

The Attack That Requires No Click In June 2025, Microsoft patched a critical vulnerability in Microsoft 365 Copilot — one that its discoverers at Aim Security described as something that had never been seen before. A threat actor needed only to send a carefully crafted email to any employee within a target organization. No link.…

Fortinet hit by another exploited cybersecurity flaw

Yet another critical flaw in a Fortinet product has come to light as attackers continue to target the company, this time by actively exploiting a critical SQL injection vulnerability in the cybersecurity company’s management server. The vulnerability, (CVE-2026-21643), allows unauthenticated threat actors to execute arbitrary code on unpatched systems via specifically-crafted HTTP requests. These low-complexity…

It’s a mystery … alleged unpatched Telegram zero-day allows device takeover, but Telegram denies

A critical Telegram flaw could allow zero-click remote code execution on devices, but Telegram denies it. Researcher Michael DePlante (@izobashi) of TrendAI Zero Day disclosed a new Telegram vulnerability through Zero Day Initiative (ZDI). The vulnerability, tracked as ZDI-CAN-30207 (CVSS score of 9.8) allows attackers to execute code on targeted devices without any user interaction.…

Critical Fortinet FortiClient EMS bug under active attack (CVE-2026-21643)

A critical SQL injection vulnerability (CVE-2026-21643) in Fortinet FortiClient Endpoint Management Server (EMS), a management server for FortiClient endpoint agents on various platforms, is under active exploitation. The warning comes from Defused Cyber, which helps organizations deploy honeypots/fake assets, and uses them as well to capture real attack attempts and exploits and provide early warning…

Critical Fortinet FortiClient EMS flaw exploited for Remote Code Execution

Attackers are exploiting a critical Fortinet FortiClient EMS flaw (CVE-2026-21643) that allows remote code execution via SQL injection. A critical Fortinet FortiClient EMS vulnerability, tracked as CVE-2026-21643 (CVSS score of 9.1), is now being actively exploited. Defused researchers warn that threat actors are exploiting the vulnerability in Fortinet’s FortiClient EMS platform. “Fortinet Forticlient EMS CVE-2026-21643…

Urgent Alert: NetScaler bug CVE-2026-3055 probed by attackers could leak sensitive data

Attackers are actively probing a critical Citrix NetScaler flaw (CVE-2026-3055) that can leak sensitive data via a memory overread issue. A critical vulnerability, tracked as CVE-2026-3055 (CVSS score of 9.3), in Citrix NetScaler ADC and Gateway is already being actively probed by attackers. This week, Citrix issued security updates for two NetScaler vulnerabilities, including the critical memory…

Citrix NetScaler Under Active Recon for CVE-2026-3055 (CVSS 9.3) Memory Overread Bug

A recently disclosed critical security flaw impacting Citrix NetScaler ADC and NetScaler Gateway is witnessing active reconnaissance activity, according to Defused Cyber and watchTowr. The vulnerability, CVE-2026-3055 (CVSS score: 9.3), refers to a case of insufficient input validation leading to memory overread, which an attacker could exploit to leak potentially sensitive information. Per

Attackers are exploiting RCE vulnerability in BIG-IP APM systems (CVE-2025-53521)

A critical unauthenticated remote code execution vulnerability (CVE-2025-53521) in F5’s BIG-IP Access Policy Manager (APM) solution is under active exploitation, the US Cybersecurity and Infrastructure Security Agency warned on Friday. CISA added the flaw to its Known Exploited Vulnerabilities catalog after F5 updated the related security advisory, The advisory wasinitially published on October 15, 2025,…

CISA Adds CVE-2025-53521 to KEV After Active F5 BIG-IP APM Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical security flaw impacting F5 BIG-IP Access Policy Manager (APM) to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability in question is CVE-2025-53521 (CVSS v4 score: 9.3), which could allow a threat actor to achieve remote code execution.…

CISA and BSI warn orgs of critical PTC Windchill and FlexPLM flaw

CISA warns of a critical flaw in PTC Windchill and FlexPLM (CVE-2026-4681), with no patch yet and potential for imminent exploitation. CISA issued an advisory about a critical vulnerability, tracked as CVE-2026-4681 (CVSS score of 10.0), in PTC’s Windchill and FlexPLM software. At this time, no patches are available, and no active attacks have been…

Critical Vulnerabilities, Insider Threats, and AI-Driven Cybercrime Define the Week

Major Threats & Vulnerabilities Zero-Day and Critical CVE Exploits Oracle’s emergency patch for CVE-2026-21992 addressed a critical remote code execution flaw in Identity Manager and Web Services Manager with a CVSS score of 9.8. The vulnerability could allow unauthenticated attackers to fully compromise systems. Administrators are urged to patch immediately despite no known active exploitation.…

Attackers exploit critical Langflow RCE within hours as CISA sounds alarm

Attackers have exploited a critical Langflow RCE within hours of disclosure, prompting the US Cybersecurity and Infrastructure Security Agency (CISA) to formally flag it for urgent remediation. The flaw, which allows running arbitrary code on vulnerable Langflow instances without >credentials, was weaponized within 20 hours of the open-source AI-pipeline tool disclosing it. According to a Sysdig report,…

New critical Citrix NetScaler hole of similar severity to CitrixBleed2, says expert

A new critical vulnerability that is similar to the widely-exploited CitrixBleed and CitrixBleed2 holes should be patched in NetScaler devices immediately, say experts. The hole, CVE-2026-3055, is an out-of-bounds read vulnerability in customer-managed NetScaler ADC and NetScaler Gateway devices configured as SAML IDP for approving identity and authentication. It’s rated at 9.3 in severity on…

Citrix NetScaler critical flaw could leak data, update now

Citrix warns of a critical NetScaler flaw (CVE-2026-3055) that could leak sensitive data; users are urged to apply security updates immediately. Citrix issued security updates for two NetScaler vulnerabilities, including a critical memory overread, tracked as CVE-2026-3055 (CVSS score of 9.3), that allows unauthenticated attackers to leak sensitive data. The flaw CVE-2026-3055 is an insufficient…

Oracle issues emergency fix for pre-auth RCE in Identity Manager (CVE-2026-21992)

Oracle has released an out-of-band patch for a critical and easily exploitable vulnerability (CVE-2026-21992) in Oracle Identity Manager and Oracle Web Services Manager. The company did not say whether the vulnerability has been exploited as a zero-day, but has urged customers to apply the updates or provided mitigations as soon as possible. About CVE-2026-21992 CVE-2026-21992…

Oracle fixes critical RCE flaw CVE-2026-21992 in Identity Manager

Oracle fixed a critical severity flaw, tracked as CVE-2026-21992, enabling unauthenticated remote code execution in Identity Manager. Oracle released security updates to address a critical vulnerability, tracked as CVE-2026-21992 (CVSS score of 9.8), affecting Identity Manager and Web Services Manager. The flaw lets unauthenticated attackers over HTTP take control of Oracle Identity Manager and Web…

Oracle Patches Critical CVE-2026-21992 Enabling Unauthenticated RCE in Identity Manager

Oracle has released security updates to address a critical security flaw impacting Identity Manager and Web Services Manager that could be exploited to achieve remote code execution. The vulnerability, tracked as CVE-2026-21992, carries a CVSS score of 9.8 out of a maximum of 10.0. “This vulnerability is remotely exploitable without authentication,” Oracle said in an…

Critical Langflow Flaw CVE-2026-33017 Triggers Attacks within 20 Hours of Disclosure

A critical security flaw impacting Langflow has come under active exploitation within 20 hours of public disclosure, highlighting the speed at which threat actors weaponize newly published vulnerabilities. The security defect, tracked as CVE-2026-33017 (CVSS score: 9.3), is a case of missing authentication combined with code injection that could result in remote code execution. “The…

Cisco FMC flaw was exploited by Interlock weeks before patch (CVE-2026-20131)

A critical vulnerability (CVE-2026-20131) in Cisco Secure Firewall Management Center (FMC) that Cisco disclosed and patched in early March 2026 has been exploited as a zero-day by the Interlock ransomware gang, Amazon CISO and VP of Security Engineering CJ Moses revealed. “Our research [using Amazon’s MadPot system of honeypots] found that Interlock was exploiting this…

Unpatched ScreenConnect servers open to attack (CVE-2026-3564)

ConnectWise has patched a critical vulnerability (CVE-2026-3564) that could enable attackers to hijack ScreenConnect sessions by abusing ASP.NET machine keys to forge trusted authentication. About CVE-2026-3564 The ScreenConnect remote access platform is popular with managed service providers, IT departments, and technology solution providers. They can opt for the cloud-hosted version or can deploy it on…

Critical Ubiquiti UniFi UniFi security flaw allows potential account hijacking

Ubiquiti fixed two UniFi vulnerabilities, including a critical flaw that could let attackers take over user accounts. Ubiquiti patched two vulnerabilities in its UniFi Network app, including a maximum-severity flaw that could enable account takeover. The software is widely used to manage UniFi networking devices like access points, switches, and gateways. The Ubiquiti UniFi Network…

Russian APT targets Ukraine via Zimbra XSS flaw CVE-2025-66376

Russian APT exploits a critical XSS flaw in Zimbra, tracked as CVE-2025-66376, running scripts via HTML emails to target users in Ukraine. Russia-linked threat actor exploits a high-severity XSS vulnerability, tracked as CVE-2025-66376 (CVSS score of 7.2), in Zimbra Collaboration. Attackers exploited insufficiently sanitized HTML emails to run scripts when opened, targeting users in Ukraine.…

Telnet vulnerability opens door to remote code execution as root

A critical Telnet vulnerability with a CVSS rating of 9.8 enables attackers to take full control of affected systems before authentication even kicks in, security researchers at Dream Security have warned. Tracked as CVE-2026-32746, the vulnerability is in GNU inetutils telnetd, is a widely deployed implementation of the Telnet remote access protocol found across legacy…