CVE-2026-8075
EUVD-2026-4515717.07.2026, 11:17
Mattermost Desktop App versions <=6.2 5.5.13 6.0.2.0 fail to properly null check when checking for headers in the Mattermost Desktop App which allows any user to crash another channel members Desktop App via posting a malicious link with an embedded image that misses one of those headers. Mattermost Advisory ID: MMSA-2026-00668Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mattermost | mattermost_desktop | 5.5.13 ≤ 𝑥 < 5.13.6 |
| mattermost | mattermost_desktop | 6.0.2 ≤ 𝑥 < 6.2.1 |
| mattermost | mattermost_desktop | 6.2.1 < 𝑥 < 6.3 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| mattermost | mattermost | 𝑥 ≤ 5.5.13 | CNA |
| mattermost | mattermost | 𝑥 ≤ 6.0.2 | CNA |
Common Weakness Enumeration
References