CVE-2026-29179Incorrect Authorization in October

Severity
3.3LOWNVD
EPSS
0.0%
top 91.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 21

Description

October is a Content Management System (CMS) and web platform. Prior to 3.7.16 and 4.1.16, fine-grained sub-permission checks for asset and blueprint file operations were not enforced in the CMS and Tailor editor extensions. This only affects backend users who were explicitly granted editor access but had editor.cms_assets or editor.tailor_blueprints specifically withheld, an uncommon permission configuration. In this edge case, such users could perform file operations (create, delete, rename, m

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:NExploitability: 0.7 | Impact: 2.5

Affected Packages2 packages

Packagistoctober/system4.0.04.1.16+1
CVEListV5octobercms/october< 3.7.16+1

🔴Vulnerability Details

2
GHSA
October CMS: Editor Sub-Permission Bypass for Asset and Blueprint File Operations2026-04-21
VulDB
CMS up to 3.7.15/4.1.15 Configuration authorization2026-04-21
CVE-2026-29179 — Incorrect Authorization in October | cvebase