OpenAI Codex CVE-2026-19593: Poisoned .git/config Runs Code
Four Codex CVEs show how a repository's own Git config can run programs outside the agent sandbox, with no approval prompt and no model involved.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
Four Codex CVEs show how a repository's own Git config can run programs outside the agent sandbox, with no approval prompt and no model involved.
Two Claude Code advisories: a symlink race that redirects agent file writes outside the project, and a bug that let sessions start without the organization's managed policy.
October 2026 Patch Tuesday brought 10 VS Code CVEs, including a prompt-injection path to agent hook files and an MCP server sandbox escape. Update to 1.141.1.
Two AWS bulletins for Kiro IDE show a crafted repository steering the agent into editing configuration that Kiro then trusts. Upgrade to 1.0.242 and check ~/.kiro.
Five CVEs show Roo Code's command allowlist can be tricked into auto-approving denied shell commands. VulnCheck lists no fix, so the mitigation is configuration.
Aider loads .aider.conf.yml from the repository root, and a hostile repo can set test or lint commands that run through a shell. There is no fixed release yet.
The official TypeScript and Rust MCP SDKs trusted the MCP server to say where OAuth credentials should go. Upgrading fixes new sign-ins, but stored tokens need work too.
Two Flowise CVEs show the Custom MCP node running attacker-chosen npm packages. 3.1.4 fixes them, but Flowise reached end of life on 31 August 2026.
CVEs published in September for the mcp-atlassian server include a CVSS 10.0 auth bypass on its HTTP transport. Version 0.22.0 fixes it and changes defaults.
Weekly insights on software supply chain security, delivered to your inbox.
Your first fix PR is minutes away.
No sales call required, even your agent can complete the purchase over MCP.