{"id":"CVE-2026-123198","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-123198","summary":"LMFDB before commit 01829bd contains a server-side template injection vulnerability in the render_knowl function that allows unauthenticated attackers to inject Jinja expressions via…","details":"LMFDB before commit 01829bd contains a server-side template injection vulnerability in the render_knowl function that allows unauthenticated attackers to inject Jinja expressions via request parameters. Attackers can supply crafted query-string values or 'content' data to /knowledge/render/<ID> to reach Python builtins and execute operating system commands as the web application account.","published":"2026-11-05T19:17:18.393","modified":"2026-11-05T19:17:18.393","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/LMFDB/lmfdb/commit/01829bd09b692c720aad30c952758a20630573d4","label":"LMFDB/lmfdb@01829bd"},"references":[{"type":"WEB","url":"https://github.com/LMFDB/lmfdb/blob/c6e5bac205aa12de9edf584a06328fefa81de0de/lmfdb/knowledge/main.py#L747"},{"type":"WEB","url":"https://github.com/LMFDB/lmfdb/commit/01829bd09b692c720aad30c952758a20630573d4"},{"type":"WEB","url":"https://github.com/LMFDB/lmfdb/pull/7231"},{"type":"WEB","url":"https://github.com/LMFDB/lmfdb/security/advisories/GHSA-6jw3-pmcx-2xww"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/lmfdb-before-commit-01829bd-unauthenticated-server-side-template-injection-via-knowledge-render-id"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-05T19:17:18.393"}}