Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 11.4.x <= 11.4.2, 11.3.x <= 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost Advisory ID: MMSA-2026-00625
Metrics
Affected Vendors & Products
References
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| https://mattermost.com/security-updates |
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History
Wed, 15 Apr 2026 16:15:00 +0000
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ssvc
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Wed, 15 Apr 2026 13:45:00 +0000
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Mattermost
Mattermost mattermost |
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| Vendors & Products |
Mattermost
Mattermost mattermost |
Wed, 15 Apr 2026 10:45:00 +0000
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| Description | Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 11.4.x <= 11.4.2, 11.3.x <= 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost Advisory ID: MMSA-2026-00625 | |
| Title | CSRF Protection Bypass Allows Updating a User's Authentication Method | |
| Weaknesses | CWE-352 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Mattermost
Published: 2026-04-15T10:13:33.950Z
Updated: 2026-04-15T15:39:52.265Z
Reserved: 2026-03-10T13:45:39.984Z
Link: CVE-2026-28741
Updated: 2026-04-15T15:39:11.734Z
Status : Received
Published: 2026-04-15T11:16:33.450
Modified: 2026-04-15T11:16:33.450
Link: CVE-2026-28741
No data.