CVE-2026-123198

CriticalCVSS 9.8/10Last modified Nov 12, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-1336

Affected software

Vendor	Product	Versions
LMFDB	LMFDB	< 01829bd09b692c720aad30c952758a20630573d4

References

Timeline

Published: Nov 5, 2026
Last modified: Nov 12, 2026
NVD status: Deferred

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