{"action":"Upgrade lightrag-hku to 1.5.4 or later.","affected":[{"fixed":"1.5.4","introduced":"0"}],"component":"lightrag-hku","cve_ids":["CVE-2026-61740"],"ecosystem":"PyPI","epss":0.00509,"exploited":false,"fixed_versions":["1.5.4"],"ghsa_id":"GHSA-f4vv-55c2-5789","id":"tcs_01M5KFEDQ2V6A7XCRGXJ3H6ATF","modified_at":"2026-07-23T15:11:48.606200820Z","published_at":"2026-07-20T21:46:37Z","references":["https://osv.dev/vulnerability/GHSA-f4vv-55c2-5789","https://github.com/HKUDS/LightRAG/security/advisories/GHSA-f4vv-55c2-5789","https://nvd.nist.gov/vuln/detail/CVE-2026-61740","https://github.com/HKUDS/LightRAG/pull/3319","https://github.com/HKUDS/LightRAG/commit/f7819aa3a49a9d8d92eed8251d82d6ebcafa8cba","https://github.com/HKUDS/LightRAG","https://github.com/HKUDS/LightRAG/releases/tag/v1.5.4"],"severity":{"label":"critical","score":9.3},"sources":[{"source":"osv","source_id":"GHSA-f4vv-55c2-5789","url":"https://osv.dev/vulnerability/GHSA-f4vv-55c2-5789"},{"source":"nvd","source_id":"CVE-2026-61740","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61740"}],"summary":"LightRAG is Vulnerable to Authentication Bypass: hardcoded DEFAULT_TOKEN_SECRET and public /auth-status defeat LIGHTRAG_API_KEY protection"}