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...

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...

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...

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

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...

A week in security (April 27 – May 3)

Last week on Malwarebytes Labs: 3 easy-to-miss cybersecurity risks for small businesses Actively exploited cPanel bug exposes millions of websites to takeover More PayPal emails hijacked to deliver tech support scams Hackers stole hundreds of thousands of Roblox accounts: Here’s what to do...

Claude SDK for TypeScript 安全漏洞

Claude SDK for TypeScript is an open-source development toolkit by Anthropic, designed for calling the Claude API using TypeScript. There were security vulnerabilities in versions of Claude SDK for TypeScript from 0.79.0 to 0.91.1. These vulnerabilities stemmed from BetaLocalFilesystemMemoryTool...

CVE MCP Server 0.1.0

CVE MCP Server is a production-grade Model Context Protocol MCP server that turns Claude into a full-spectrum security analyst. Instead of juggling 15+ browser tabs across NVD, EPSS, CISA KEV, Shodan, VirusTotal, and GreyNoise, ask Claude one question and get correlated intelligence in seconds...

GHSA-P7FG-763F-G4GF Claude SDK for TypeScript has Insecure Default File Permissions in Local Filesystem Memory Tool

The BetaLocalFilesystemMemoryTool in the Anthropic TypeScript SDK created memory files and directories using the Node.js default modes 0o666 for files, 0o777 for directories, leaving them world-readable on systems with a standard umask and world-writable in environments with a permissive umask su...