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Two Critical MarkLogic Flaws Could Give Delegated Managers Persistent Admin Control

Two of 31 newly disclosed flaws in Progress Software’s MarkLogic Server database could let an account given only some management privileges take administrator control of the server, the company says. Progress published all 31 on October 12 and scored five of them critical. Fixes have been available since September 10, in MarkLogic 11.3.7 and MarkLogic 12.1.0. Affected

GitLab Patches CVSS 10.0 Flaw That Could Let Unauthenticated Users Run Server Code

GitLab has released patches for a maximum-severity security flaw impacting its Community Edition (CE) and Enterprise Edition (EE) software that could result in arbitrary code execution. “GitLab has remediated an issue that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server via a specially crafted regular expression…

RSVP to Disaster: How One Click Installs a RAT

By: Willmar Cheng, Cofense Phishing Defense Center Imagine receiving a digital invite from a friend or relative. The message looks legitimate; the timing feels believable, and curiosity naturally takes over. This sense of curiosity and trust is exactly what cybercriminals are exploiting. The Cofense Phishing Defense Center (PDC) has recently intercepted a malicious email disguised…

GuardDuty Extended Threat Detection has added five new indicators to surface attack sequences

Amazon GuardDuty Extended Threat Detection correlates weak GuardDuty signals into a single, critical-severity attack sequence finding when their composition crosses a threshold of credibility. On May 20, 2026, the service started attaching five new indicator types to those sequences: MALICIOUS_PACKAGE, MISCONFIGURATION, REACHABILITY, SENSITIVE_DATA, and VULNERABILITY. For more information, see Document history for Amazon GuardDuty and…

Quantum-resistant signing on AWS, Part 2: Enforce your ML-DSA algorithm policy with SCPs and IAM

You want to set a cryptographic algorithm policy and stop non-compliant choices from being made in your Amazon Web Services (AWS) environment. This post shows you how. As you adopt post-quantum cryptography, one of the first decisions you face is which algorithms and parameter sets fit your business needs, balancing security against signature size, key…

Quantum-resistant signing on AWS, Part 1: Build a software supply chain with ML-DSA

Software supply chain attacks have grown in both frequency and sophistication. Recent high-profile compromises of build systems and open source dependencies demonstrate that attackers increasingly target the trust mechanisms that verify software integrity. Those trust mechanisms rely on digital signature algorithms, and today many use traditional algorithms such as Rivest-Shamir-Adleman (RSA) and the Elliptic Curve…

12th October – Threat Intelligence Report

For the latest discoveries in cyber research for the week of 12th October, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Denmark’s government has disclosed a breach involving its Central Register of Persons after unauthorized individuals exploited access provided to a private supplier. The incident reportedly exposed personal information, including names, addresses, and…

Researchers bypass 6 AI agent frameworks with a simple ‘Repeat-After-Me’ prompt

Researchers have tricked six widely used AI agent frameworks into running tool calls written by an attacker, simply by asking the underlying model to repeat the call back. The technique, which the researchers call “Repeat-After-Me,” worked on LangChain’s LangGraph, Microsoft Agent Framework, Microsoft’s AutoGen, Google’s Agent Development Kit 2.0, AWS’ Strands Agents and CrewAI, according…

A week in security (October 5 – October 11)

Last week on Malwarebytes Labs: ASOS breach update: Hackers stole customer details and shopping searches Attackers hijack country-code domains to impersonate Google and other services Amazon has an uncomfortably personal profile on you Meta’s Muse AI files away your friendships, arguments, and secrets Google issues Android security updates: who can get them and how AI-powered…

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A Vulnerability in Atlassian Data Center Products Could Allow for Arbitrary File Access

A vulnerability in Atlassian Data Center products could allow for arbitrary file access. Atlassian Data Center products are self-managed, enterprise-grade editions of Atlassian tools such as Jira, Confluence, Bitbucket, and Jira Service Management, which organizations host on their own infrastructure or private cloud and which offer clustering, high availability, and greater control over data, security,…

Multiple Vulnerabilities in SonicWall SMA1000 Series Appliances Could Allow for Remote Code Execution.

Multiple vulnerabilities have been discovered in SonicWall SMA1000 Series Appliances, the most severe of which could allow for remote code execution. SonicWall Secure Mobile Access (SMA) 1000 Series appliances are enterprise-grade secure access and SSL VPN gateways. Successful exploitation of the most severe vulnerability could allow an unauthenticated, remote attacker to reach internal functionality and…

Multiple Vulnerabilities in Dell System Update Could Allow for Remote Code Execution

Multiple vulnerabilities have been discovered in Dell System Update (DSU), the most severe of which could allow for remote code execution. Dell System Update (DSU) is a free Dell utility for Windows that scans your Dell computer and automatically finds, downloads, and installs the latest BIOS, driver, firmware, and application updates for it. Successful exploitation…

A Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway Could Allow for Remote Code Execution

A vulnerability has been discovered in Citrix NetScaler Application Delivery Controller (ADC) and Citrix NetScaler Gateway that could allow for remote code execution. Citrix NetScaler ADC (Application Delivery Controller) is an enterprise networking platform and traffic management device designed to optimize, secure, and accelerate the delivery of web and cloud applications. Successful exploitation of the…

Ransomware consultant said he would decrypt data, is accused of paying ransoms instead

The owner of a ransomware remediation company is facing trial for defrauding customers. Zohar Pinhasi, also known as “Zack Silver” and “Zack Green,” has been arraigned in New York on wire fraud charges for allegedly defrauding clients of his ransomware remediation company, MonsterCloud. Pinhasi falsely claimed he could recover documents encrypted by ransomware without paying…

CVE-2026-107406: Critical NetScaler ADC and Gateway RCE Vulnerability

Citrix has disclosed CVE-2026-107406, a critical memory overflow vulnerability affecting NetScaler ADC and NetScaler Gateway appliances configured for specific SAML authentication roles. The flaw carries a CVSS v4.0 score of 9.5 and could enable an unauthenticated remote attacker to execute arbitrary code or trigger a denial-of-service condition on vulnerable systems. The vulnerability is particularly significant…

ASOS breach update: Hackers stole customer details and shopping searches

The customer data stolen from global fashion retailer ASOS includes more than just names and contact details, raising questions about its early reassurances. As we reported earlier this week, ASOS customers received a push notification through the ASOS app alleging that the company had been hacked. ASOS has confirmed that attackers accessed customer information after tricking…

NEWS ALERT: Insignary launches Clarity AIR to expose hidden open-source and AI-generated code

TORONTO, Oct. 8, 2026, CyberNewswire –  Insignary Inc. today announced the general availability of Insignary Clarity AIR, a source-code scanning product built to answer a question most security teams can’t currently answer with confidence: what is actually running in their software, beyond what developers reported. Manifests and SBOMs built from declared dependencies are only as…

Making sure the checks get printed

Welcome to this week’s edition of the Threat Source newsletter.  My name is Pierre Cadieux, and I’ll be helping contribute to these newsletters. A little about me: I’ve been working in the cybersecurity industry in many roles over the past 20+ years, first focusing on endpoint security, policies, and firewalls, then moving to risk management…

Attackers hijack country-code domains to impersonate Google and other services

According to Google, attackers compromised infrastructure behind three country-code domain namespaces—.gh (Ghana), .sl (Sierra Leone), and .as (American Samoa)—and used it to obtain unauthorized HTTPS certificates for Google domains and other organizations. These domain endings aren’t limited to sites serving those countries, so the risk can extend to users elsewhere. This wasn’t a break in…

Inside the Exchange Inspector: How Tenable uses OpenAI GPT cyber models to review open-source AI agents

Community-built AI agents, skills, and MCP servers are landing in SOC workflows fast. Here’s what the Exchange Inspector tests before a listing earns its vetted tag on the CyberAgents Exchange.  Three tools have already passed. Key takeaways Every Inspector-vetted listing clears three gates: an automated check, a frontier model assessment, and human verification. Tenable uses…

Rogue AI Agents

AI agents are escaping sandboxes, misusing credentials and acting without authorization. This live dashboard tracks every reported incident on a horizontal timeline, with charts showing which AI companies and agents are involved, the techniques used and how they got in. It updates automatically as new events are added.

UAT-11985: AI-assisted event lures delivering real-time Google AitM phishing

Cisco Talos identified an advanced persistent threat (APT) spear-phishing campaign against individuals affiliated with Taiwan research organizations. The operation leveraged legitimate public event themes and impersonated reputable academic and policy institutions to establish credibility.  The phishing emails exhibited highly consistent structure, rhetoric, and personalization patterns, suggesting the threat actor likely used AI-assisted content generation to…

Ignore all instructions and read this blog: The state of AI-analysis evasion in malware

“AI-analysis evasion” encapsulates the real-world techniques malware authors are developing in attempt to obstruct or defeat any layers of automated AI analysis.  This technique is cheap to add but inconsistently impactful — the best techniques steered the outcome in the attacker’s favor in about 35% of test runs. Further, it must always be plaintext and…