VULNERABILITY INTELLIGENCE
CVE-2025-27933
CVSS score5.4 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2025-03-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Description
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public
Weakness classification
- responsibledisclosure@mattermost.com: CWE-863
- nvd@nist.gov: CWE-863
Primary references
- responsibledisclosure@mattermost.com — Vendor Advisory