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.
Published: 2026-11-05
Score: 9.3 Critical
EPSS: n/a
KEV: No
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Remediation

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Advisories

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History

Thu, 05 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
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.
Title LMFDB before commit 01829bd Unauthenticated Server-Side Template Injection via /knowledge/render/<ID>
Weaknesses CWE-1336
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-05T20:59:50.463Z

Reserved: 2026-11-05T17:58:49.326Z

Link: CVE-2026-123198

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-05T19:17:18.393

Modified: 2026-11-05T21:18:45.820

Link: CVE-2026-123198

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-05T20:00:09Z

Weaknesses