cbcvebase.
CVE-2025-49810
published 2025-08-21

CVE-2025-49810: Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts

medium4.3CVSS 3.1
AVNACLPRLUINSUCLINAN
Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts

Affected

5 ranges
VendorProductVersion rangeFixed in
github.commattermost_mattermost-server>= 10.5.0 < 10.5.910.5.9
github.commattermost_mattermost-server>= 10.5.0+incompatible < 10.5.9+incompatible10.5.9+incompatible
github.commattermost_mattermost_server_v8>= 0 < 8.0.0-20250721095846-c602a4a78e1f8.0.0-20250721095846-c602a4a78e1f
mattermostmattermost10.5.0 – 10.5.8
mattermostmattermost_server>= 10.5.0 < 10.5.910.5.9