CVE-2025-11794

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11, 10.12.x <= 10.12.0 fail to sanitize user data which allows system administrators to access password hashes and MFA secrets via the POST /api/v4/users/{user_id}/email/verify/member endpoint
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
MattermostCNA
4.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 13%
VendorProductVersion
mattermostmattermost_server
10.5.0 ≤
𝑥
< 10.5.12
mattermostmattermost_server
10.11.0 ≤
𝑥
< 10.11.4
mattermostmattermost_server
10.12.0 ≤
𝑥
< 10.12.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://mattermost.com/security-updates