CVE-2026-123198
LMFDB before commit 01829bd contains a server-side template injection vulnerability in the…
- Risk score
- 64/100
- CVSS
- 9.8 v3.1
- Published
- 5 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 builtin…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.8 critical
- Remotely exploitable without logging in
References
- https://github.com/LMFDB/lmfdb/blob/c6e5bac205aa12de9edf584a06328fefa81de0de/lmfdb/knowledge/main.py#L747
- https://github.com/LMFDB/lmfdb/commit/01829bd09b692c720aad30c952758a20630573d4
- https://github.com/LMFDB/lmfdb/pull/7231
- https://github.com/LMFDB/lmfdb/security/advisories/GHSA-6jw3-pmcx-2xww
- https://www.vulncheck.com/advisories/lmfdb-before-commit-01829bd-unauthenticated-server-side-template-injection-via-knowledge-render-id
Original description
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.
Last activity 5 Nov 2026. Patch Forecast updates every hour.