CVE-2026-75025
Mattermost Desktop local network access from server-rendered content
CVSS Score
4.7
EPSS Score
0.0%
EPSS Percentile
0th
Mattermost Desktop App versions <=6.2 6.2.2.0 Fixed an issue where Mattermost Desktop did not sufficiently restrict server-rendered content from accessing local or private network resources. Thanks to game0v3r for contributing to this improvement under the Mattermost responsible disclosure policy. Mattermost Advisory ID: MMSA-2026-00698
| CWE | CWE-346 |
| Vendor | mattermost |
| Product | mattermost |
| Published | Sep 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
Mattermost / Mattermost
0 ≤ 6.2.2
Credits
game0v3r