CVE-2026-28741
EUVD-2026-2287515.04.2026, 11:16
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
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mattermost | mattermost_server | 10.11.0 ≤ 𝑥 < 10.11.13 |
| mattermost | mattermost_server | 11.3.0 ≤ 𝑥 < 11.3.3 |
| mattermost | mattermost_server | 11.4.0 ≤ 𝑥 < 11.4.3 |
| mattermost | mattermost_server | 11.5.0 ≤ 𝑥 < 11.5.1 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| mattermost | mattermost | 10.11.0 ≤ 𝑥 ≤ 10.11.12 | CNA |
| mattermost | mattermost | 𝑥 ≤ 11.5.0 | CNA |
| mattermost | mattermost | 11.4.0 ≤ 𝑥 ≤ 11.4.2 | CNA |
| mattermost | mattermost | 11.3.0 ≤ 𝑥 ≤ 11.3.2 | CNA |
Common Weakness Enumeration
References