CVE-2025-6226
EUVD-2025-2186718.07.2025, 09:15
Mattermost versions 10.5.x <= 10.5.6, 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 9.11.x <= 9.11.16 fail to verify authorization when retrieving cached posts by PendingPostID which allows an authenticated user to read posts in private channels they don't have access to via guessing the PendingPostID of recently created posts.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mattermost | mattermost_server | 9.11.0 ≤ 𝑥 < 9.11.17 |
| mattermost | mattermost_server | 10.5.0 ≤ 𝑥 < 10.5.7 |
| mattermost | mattermost_server | 10.7.0 ≤ 𝑥 < 10.7.4 |
| mattermost | mattermost_server | 10.8.0 ≤ 𝑥 < 10.8.2 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| mattermost | mattermost | 10.5.0 ≤ 𝑥 ≤ 10.5.6 | CNA |
| mattermost | mattermost | 10.8.0 ≤ 𝑥 ≤ 10.8.1 | CNA |
| mattermost | mattermost | 10.7.0 ≤ 𝑥 ≤ 10.7.3 | CNA |
| mattermost | mattermost | 9.11.0 ≤ 𝑥 ≤ 9.11.16 | CNA |
Common Weakness Enumeration
References