CVE-2025-21088
EUVD-2025-009315.01.2025, 16:15
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the frontend via crafted malicious input.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mattermost | mattermost_server | 9.11.0 ≤ 𝑥 < 9.11.6 |
| mattermost | mattermost_server | 10.0.0 ≤ 𝑥 < 10.0.4 |
| mattermost | mattermost_server | 10.1.0 ≤ 𝑥 < 10.1.4 |
| mattermost | mattermost_server | 10.2.0 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| mattermost | mattermost | 10.2.0 | CNA |
| mattermost | mattermost | 9.11.0 ≤ 𝑥 ≤ 9.11.5 | CNA |
| mattermost | mattermost | 10.0.0 ≤ 𝑥 ≤ 10.0.3 | CNA |
| mattermost | mattermost | 10.1.0 ≤ 𝑥 ≤ 10.1.3 | CNA |
Common Weakness Enumeration
References