security: add env var poisoning rule, update CVE tracker to 50#121
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security: add env var poisoning rule, update CVE tracker to 50#121
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New rule: detect-env-var-poisoning (locked) - Blocks export/typeset/declare of security-sensitive env vars (PERL5OPT, LD_PRELOAD, NODE_OPTIONS, BASH_ENV, etc.) - Defends against CVE-2026-22708 (Cursor Auto-Run bypass) CVE tracker: 45 → 50 (38 full, 4 partial, 8 not defensible) - CVE-2026-25725: Claude Code sandbox escape — Full - CVE-2026-22708: Cursor env var poisoning — Full (new rule) - CVE-2026-21523: Copilot TOCTOU — Not defensible - CVE-2026-26118: Azure MCP SSRF — Not defensible - CVE-2026-4270: AWS MCP path traversal — Partial 10 new CVE regression tests.
2 tasks
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Summary
New locked rule:
detect-env-var-poisoningexport/typeset/declare/readonlyof 20 security-sensitive env varsCVE tracker: 45 → 50 (38 full, 4 partial, 8 not defensible)
protect-agent-configdetect-env-var-poisoningrule10 new CVE regression tests (8 blocked env vars + legitimate vars allowed + sandbox escape)
Test plan
-race