LightRAG is Vulnerable to Authentication Bypass: hardcoded DEFAULT_TOKEN_SECRET and public /auth-status defeat LIGHTR...

Date Jul 20, 2026
Type Vendor advisory
Signal Critical vendor advisory
Vendor / Product PyPI ยท lightrag-hku
CVE CVE-2026-61740
Critical vendor advisory CVE-2026-61740

Summary

LightRAG is Vulnerable to Authentication Bypass: hardcoded DEFAULT_TOKEN_SECRET and public /auth-status defeat LIGHTRAG_API_KEY protection

Why it matters

GitHub has published a reviewed security advisory for lightrag-hku. Prioritize it with other application dependency updates, especially because EPSS places it in the 30% percentile.

Operator check

Check whether lightrag-hku is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.3. EPSS probability: 0.4%; percentile: 30%.

Sources

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