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Tag: commands

Notepad++ vulnerabilities could enable arbitrary code execution on Windows systems

Two arbitrary code execution vulnerabilities in Notepad++ let local attackers run commands of their choice on Windows machines by tampering with the editor’s XML configuration files, with both flaws rated High at CVSS 7.8. The flaws, tracked as CVE-2026-48778 and CVE-2026-48800, affect every version of the editor up to and including 8.9.6, Notepad++ said in…

PHP Composer flaws enable remote command execution via Perforce VCS

Two high-severity flaws in PHP Composer could let attackers run arbitrary commands via malicious repository configs and crafted inputs affecting Perforce VCS. Two high-severity vulnerabilities in PHP Composer could allow attackers to execute arbitrary commands. PHP Composer is a dependency manager for PHP that helps developers install and manage libraries their projects need. By defining…

Hidden instructions in README files can make AI agents leak data

Developers rely on AI coding agents to set up projects, install dependencies, and run commands by following instructions in repository README files, which provide setup guidance for software projects. New research identifies a security risk when attackers hide malicious instructions in those documents. A semantic injection attack, where injections are embedded in an installation file,…

Fake Claude Code Install Pages Spread Infostealer Malware

Threat actors are exploiting a common developer habit — copying installation commands directly from websites — to distribute malware through fake software installation pages.  Security researchers at Push Security recently uncovered a campaign targeting users of Anthropic’s Claude Code, a popular command-line AI coding assistant.  The attackers are using cloned websites and malicious search advertisements…

Microsoft alerts on DNS-based ClickFix variant delivering malware via nslookup

Microsoft warns of a new ClickFix variant that tricks users into running DNS commands to fetch malware via nslookup. Microsoft has revealed a new ClickFix variant that deceives users into running a malicious nslookup command through the Windows Run dialog to retrieve a second-stage payload via DNS. ClickFix typically uses fake CAPTCHA or error messages…