CVE-2025-41436CWE-863broken-access-control

CVE-2025-41436

Low · published November 14, 2025

CVSS v3.1
3.1
EPSS
0%
Percentile
7.3
In the wild
Unconfirmed
What it is

Mattermost versions <11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads

The record
Technical detail
CVSS v3.1
3.1 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00181 · 7.3th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2025-11-14T13:15Z
Affected products (1)
ProductVersionsFixed in
mattermost/mattermost_server< 11.0.011.0.0
References (1)
https://mattermost.com/security-updates · [email protected]
EPSS history
Timeline
  • 14 NOV 08:00Z
    Unauthorized access to archived channel content via threads interface
    cvelistv5