CVE-2026-26274 — October: Safe Mode Bypass via Twig Database Write Operations

Description (CNA)

October is a Content Management System (CMS) and web platform. Prior to 3.7.14 and 4.1.10, a vulnerability was identified in the Twig sandbox security policy that allowed database write operations when cms.safe_mode is enabled. Backend users with Developer permissions could use Twig template markup to execute insert, update, and delete operations on any database table through the query builder, which is included in the sandbox allow-list. This vulnerability is fixed in 3.7.14 and 4.1.10.

Affected (CNA)

Vendor / product	Versions
octobercms / october	affected >= 4.0.0, < 4.1.10; affected < 3.7.14

CWE

CWE-184, CWE-863

References

https://github.com/octobercms/october/security/advisories/GHSA-h6jm-f4hh-fw27

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.