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
INFO
Published Date :
2026-04-15T10:13:33.950Z
Last Modified :
2026-04-15T15:39:52.265Z
Source :
Mattermost
AFFECTED PRODUCTS
The following products are affected by CVE-2026-28741 vulnerability.
| Vendors | Products |
|---|---|
| Mattermost |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28741.
| URL | Resource |
|---|---|
| https://mattermost.com/security-updates |
|
CVSS Vulnerability Scoring System
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact