CVE-2026-26274

MEDIUM

October: Safe Mode Bypass via Twig Database Write Operations

Title source: cna

Description

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.

References (1)

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

Scores

CVSS v3 6.6

EPSS 0.0007

EPSS Percentile 21.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-184 CWE-863

Status published

Products (3)

october/october 0 - 3.7.14Packagist

octobercms/october < 3.7.14

octobercms/october >= 4.0.0, < 4.1.10

Published Apr 21, 2026

Tracked Since Apr 21, 2026