PT-2026-33036 · Mattermost · Mattermost
Daw10
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Published
2026-04-15
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Updated
2026-04-15
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CVE-2026-27769
CVSS v3.1
2.7
Low
| AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N |
Mattermost versions 10.11.x <= 10.11.12 fail to validate whether users were correctly owned by the correct Connected Workspace which allows a malicious remote server connected using the Conntexted Workspaces feature to change the displayed status of local users via the Connected Workspaces API.. Mattermost Advisory ID: MMSA-2026-00603
Fix
Missing Authorization
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Weakness Enumeration
Related Identifiers
Affected Products
Mattermost