Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to restrict the group_constrained channel flag to public and private channels that support group synchronization, which allows an ordinary group or direct message member to remove all participants from the conversation via the channel patch API.. Mattermost Advisory ID: MMSA-2026-00688
References
| Link | Resource |
|---|---|
| https://mattermost.com/security-updates | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
No history.
Information
Published : 2026-07-13 09:16
Updated : 2026-07-14 13:19
NVD link : CVE-2026-10085
Mitre link : CVE-2026-10085
CVE.ORG link : CVE-2026-10085
JSON object : View
Products Affected
mattermost
- mattermost_server
CWE
CWE-862
Missing Authorization
