No advisories yet.
Solution
Update Mattermost to versions 11.3.0, 11.1.3, 10.11.10, 11.2.2 or higher.
Workaround
No workaround given by the vendor.
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
Tue, 17 Feb 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 17 Feb 2026 09:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost |
|
| Vendors & Products |
Mattermost
Mattermost mattermost |
Mon, 16 Feb 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to sanitize sensitive data in WebSocket messages which allows authenticated users to exfiltrate password hashes and MFA secrets via profile nickname updates or email verification events. Mattermost Advisory ID: MMSA-2025-00560 | |
| Title | User profile update exposes password hash and MFA secrets | |
| Weaknesses | CWE-200 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2026-02-17T17:06:14.279Z
Reserved: 2025-12-01T11:24:06.479Z
Link: CVE-2025-13821
Updated: 2026-02-17T16:42:15.925Z
Status : Received
Published: 2026-02-16T12:16:21.423
Modified: 2026-02-16T12:16:21.423
Link: CVE-2025-13821
No data.
OpenCVE Enrichment
Updated: 2026-02-17T08:49:47Z