CVE-2026-27769
LOW
NVD
CVSS Score
2.7
Severity
LOW
Published
Apr 15, 2026
Vendor
unknown
Description
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