CVE-2026-7184 — Mattermost Remote Cluster PATCH API Leaks Authentication Tokens

CVE-2026-7184

Mattermost Remote Cluster PATCH API Leaks Authentication Tokens PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Mattermost / Mattermost	affected 11.6.0 through 11.6.1; affected 11.5.0 through 11.5.4; affected 10.11.0 through 10.11.15; unaffected 11.7.0; unaffected 11.6.2; unaffected 11.5.5; unaffected 10.11.17

CWE

CWE-201

References

https://mattermost.com/security-updates

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.