@arikusi/deepseek-mcp-server has an Authorization Bypass Through User-Controlled Key

Date Aug 25, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท @arikusi/deepseek-mcp-server
CVE CVE-2026-55604
High-risk advisory CVE-2026-55604

Summary

@arikusi/deepseek-mcp-server has an Authorization Bypass Through User-Controlled Key

Why it matters

GitHub has published a reviewed security advisory for @arikusi/deepseek-mcp-server. Prioritize it with other application dependency updates, especially because EPSS places it in the 30% percentile.

Operator check

Check whether @arikusi/deepseek-mcp-server is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.4%; percentile: 30%.

Sources

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