CVE-2025-2564

EUVD-2025-11461
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
MattermostCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
Affected Products (NVD)
VendorProductVersion
mattermostmattermost_server
9.11.0 ≤
𝑥
< 9.11.10
mattermostmattermost_server
10.4.0 ≤
𝑥
< 10.4.4
mattermostmattermost_server
10.5.0 ≤
𝑥
< 10.5.2
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mattermostmattermost
10.5.0 ≤
𝑥
≤ 10.5.1
CNA
mattermostmattermost
10.4.0 ≤
𝑥
≤ 10.4.3
CNA
mattermostmattermost
9.11.0 ≤
𝑥
≤ 9.11.9
CNA
Common Weakness Enumeration
References
https://mattermost.com/security-updates