CVE-2026-4053
EUVD-2026-3058615.05.2026, 19:17
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce the PostEditTimeLimit on non-message post fields which allows an authenticated user to modify post file attachments, props, and pin status after the edit window has expired via the post patch and update API endpoints.. Mattermost Advisory ID: MMSA-2026-00631Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mattermost | mattermost_server | 10.11.0 ≤ 𝑥 < 10.11.14 |
| mattermost | mattermost_server | 11.5.0 ≤ 𝑥 < 11.5.2 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| mattermost | mattermost | 11.5.0 ≤ 𝑥 ≤ 11.5.1 | CNA |
| mattermost | mattermost | 10.11.0 ≤ 𝑥 ≤ 10.11.13 | CNA |
Common Weakness Enumeration
References