Hackers Use Fake Claude AI Site to Infect Users With New Beagle Malware

Researchers have discovered a new malvertising campaign using a fake Claude AI website to plant a new, undocumented backdoor named Beagle on user devices...

PT-2026-38362

Name of the Vulnerable Software and Affected Versions Claude Desktop versions 1.2581.0 through 1.4303.0 Description The SSH remote development feature fails to compare the server's presented host key against the stored key, verifying only if the hostname exists in the /.ssh/known hosts file. This...

hunt-skill

/hunt — Bug Bounty Hunt Skill for Claude Code A complete bug...

PT-2026-38323

Name of the Vulnerable Software and Affected Versions Claude Desktop for Windows versions prior to 1.3834.0 Description The CoworkVMService component runs as SYSTEM and fails to validate if the VM bundle directory is a legitimate directory or an NTFS directory junction before file creation. A loc...

Pen-Strategist: A Reasoning Framework for Penetration Testing Strategy Formation and Analysis

Cyber threats are rapidly increasing, expanding their impact from large-scale enterprises to government services and individual users, making robust security systems increasingly essential. However, a significant shortage of skilled cybersecurity professionals exacerbates this challenge. While...

CVE-2026-40068

In versions 2.1.63 through 2.1.83 of Claude Code, the folder trust determination logic used the git worktree commondir file without validating its contents. An attacker could craft a malicious repository with a commondir file pointing to a path the victim had previously trusted, causing Claude Co...

CVE-2026-40068 Claude Code arbitrary code execution via git worktree commondir trust dialog bypass

In versions 2.1.63 through 2.1.83 of Claude Code, the folder trust determination logic used the git worktree commondir file without validating its contents. An attacker could craft a malicious repository with a commondir file pointing to a path the victim had previously trusted, causing Claude Co...

CVE-2026-40068

CVE-2026-40068 affects Claude Code versions 2.1.63–2.1.83. The vulnerability arises from trusting the git worktree commondir file without validating its contents, allowing a crafted repository to point to a previously trusted path. This could bypass the trust dialog and cause immediate execution ...

CVE-2026-40068 Claude Code arbitrary code execution via git worktree commondir trust dialog bypass

In versions 2.1.63 through 2.1.83 of Claude Code, the folder trust determination logic used the git worktree commondir file without validating its contents. An attacker could craft a malicious repository with a commondir file pointing to a path the victim had previously trusted, causing Claude Co...

CVE-2026-40068 Claude Code arbitrary code execution via git worktree commondir trust dialog bypass

In versions 2.1.63 through 2.1.83 of Claude Code, the folder trust determination logic used the git worktree commondir file without validating its contents. An attacker could craft a malicious repository with a commondir file pointing to a path the victim had previously trusted, causing Claude Co...

CVE-2026-40068

In versions 2.1.63 through 2.1.83 of Claude Code, the folder trust determination logic used the git worktree commondir file without validating its contents. An attacker could craft a malicious repository with a commondir file pointing to a path the victim had previously trusted, causing Claude Co...

EUVD-2026-27502

In versions 2.1.63 through 2.1.83 of Claude Code, the folder trust determination logic used the git worktree commondir file without validating its contents. An attacker could craft a malicious repository with a commondir file pointing to a path the victim had previously trusted, causing Claude Co...

Claude Code 输入验证错误漏洞

Claude Code is a native AI programming tool developed by Anthropic. In versions 2.1.63 to 2.1.83 of Claude Code, there is a vulnerability related to input validation errors. This vulnerability arises from the lack of validation for the content of the git worktree commondir file in the folder trus...

InstallFix and Claude Code: How Fake Install Pages Lead to Real Compromise

Targeting multiple industries worldwide, the InstallFix campaign uses fake Claude AI installer pages to trick users into running malware that collects system information, disables security features, achieves persistence, and connects to attacker-controlled C&C servers for additional payloads...

CVE-2026-41686

Claude SDK for TypeScript provides access to the Claude API from server-side TypeScript or JavaScript applications. From version 0.79.0 to before version 0.91.1, the BetaLocalFilesystemMemoryTool in the Anthropic TypeScript SDK created memory files and directories using the Node.js default modes...

CVE-2026-41686 Claude SDK for TypeScript has Insecure Default File Permissions in Local Filesystem Memory Tool

Claude SDK for TypeScript provides access to the Claude API from server-side TypeScript or JavaScript applications. From version 0.79.0 to before version 0.91.1, the BetaLocalFilesystemMemoryTool in the Anthropic TypeScript SDK created memory files and directories using the Node.js default modes...

CVE-2026-41686

The CVE-2026-41686 entry concerns the Claude SDK for TypeScript, where the BetaLocalFilesystemMemoryTool from Anthropic’s TypeScript SDK (versions 0.79.0 through before 0.91.1) created memory files with default Node.js modes (files 0o666, dirs 0o777). This caused world-readable files on normal um...

CVE-2026-41686 Claude SDK for TypeScript has Insecure Default File Permissions in Local Filesystem Memory Tool

Claude SDK for TypeScript provides access to the Claude API from server-side TypeScript or JavaScript applications. From version 0.79.0 to before version 0.91.1, the BetaLocalFilesystemMemoryTool in the Anthropic TypeScript SDK created memory files and directories using the Node.js default modes...

CVE-2026-41686

Claude SDK for TypeScript provides access to the Claude API from server-side TypeScript or JavaScript applications. From version 0.79.0 to before version 0.91.1, the BetaLocalFilesystemMemoryTool in the Anthropic TypeScript SDK created memory files and directories using the Node.js default modes...

CVE-2026-41686 Claude SDK for TypeScript has Insecure Default File Permissions in Local Filesystem Memory Tool

Claude SDK for TypeScript provides access to the Claude API from server-side TypeScript or JavaScript applications. From version 0.79.0 to before version 0.91.1, the BetaLocalFilesystemMemoryTool in the Anthropic TypeScript SDK created memory files and directories using the Node.js default modes...