claude-faf-mcp has an arbitrary local file read/write via unconfined `path` argument in FAF tools

Date Aug 19, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm · claude-faf-mcp
High-risk advisory

Summary

claude-faf-mcp has an arbitrary local file read/write via unconfined `path` argument in FAF tools

Why it matters

GitHub has published a reviewed security advisory for claude-faf-mcp. Prioritize it with other application dependency updates.

Operator check

Check whether claude-faf-mcp is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.