Skip to content
CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-7184

Mattermost Remote Cluster PATCH API Leaks Authentication Tokens

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
Mattermost

Description

Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15 fail to sanitize the Remote Cluster API response on PATCH operations, which allows authenticated users with the {{manage_secure_connections}} permission to obtain remote cluster authentication tokens via a PATCH request to the remote cluster endpoint.. Mattermost Advisory ID: MMSA-2026-00662

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mattermost Mattermost

Default version status: unaffected

  • 11.6.0 to ≤ 11.6.1affected
  • 11.5.0 to ≤ 11.5.4affected
  • 10.11.0 to ≤ 10.11.15affected
  • 11.7.0unaffected
  • 11.6.2unaffected
  • 11.5.5unaffected
  • 10.11.17unaffected

References