VULNERABILITY INTELLIGENCE

CVE-2025-13870

CVSS score3.1 LOW
EPSS probability0.22%
CISA KEVNot currently listed
Published2025-12-02
Last modified2026-10-18
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Description

Mattermost versions 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to validate the user permission when accessing the files and subscribing to the block in Boards, which allows an authenticated user to access other board files and was able to subscribe to the block from other boards that the user does not have access to

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-306

Primary references