CVEvulnerability

CVE-2026-27769

2.7 LOW Published 2026-04-15 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-04-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
2.7 LOW — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-862

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

Affected configurations

• mattermost mattermost server (>= 10.11.0 < 10.11.13)

Related

Weakness · CWE (1)

  • CWE-862 Missing Authorization weakness

References