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VULNERABILITIES

CVE-2026-123198 Details

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.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/LMFDB/lmfdb/security/advisories/GHSA-6jw3-pmcx-2xww CISA-ADP
https://github.com/LMFDB/lmfdb/blob/c6e5bac205aa12de9edf584a06328fefa81de0de/lmfdb/knowledge/main.py#L747 [email protected]
https://github.com/LMFDB/lmfdb/commit/01829bd09b692c720aad30c952758a20630573d4 [email protected]
https://github.com/LMFDB/lmfdb/pull/7231 [email protected]
https://github.com/LMFDB/lmfdb/security/advisories/GHSA-6jw3-pmcx-2xww [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1336Improper Neutralization of Special Elements Used in a Template Engine[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-123198
NVD Published Date:
Nov 5, 2026
NVD Last Modified:
Nov 5, 2026
Source:
[email protected]
CVE-2026-123198 Details - Not Deferred