CVE-2025-2527

published 2025-05-15

CVE-2025-2527: Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view…

medium 4.3 CVSS 3.1

AV N AC L PR L UI N S U C L I N A N

Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
github.com	mattermost_mattermost-server	>= 10.5.0+incompatible < 10.5.3+incompatible	10.5.3+incompatible
github.com	mattermost_mattermost-server	>= 9.11.0+incompatible < 9.11.12+incompatible	9.11.12+incompatible
github.com	mattermost_mattermost_server_v8	>= 0 < 8.0.0-20250411064244-844447fbd57c	8.0.0-20250411064244-844447fbd57c
github.com	mattermost_mattermost_server_v8	>= 10.5.0 < 10.5.3	10.5.3
github.com	mattermost_mattermost_server_v8	>= 9.11.0 < 9.11.12	9.11.12
mattermost	mattermost	10.5.0 – 10.5.2	—
mattermost	mattermost	9.11.0 – 9.11.11	—
mattermost	mattermost_server	>= 10.5.0 < 10.5.3	10.5.3
mattermost	mattermost_server	>= 9.11.0 < 9.11.12	9.11.12

CWE-863