Description (CNA)
Mattermost versions 11.7.x <= 11.7.0, 11.6.x <= 11.6.2, 11.5.x <= 11.5.5, 10.11.x <= 10.11.17 Fail to validate channel ownership of an existing subscription before applying edits which allows an authenticated attacker to hijack subscriptions from channels they have no access to via a crafted PUT request to the subscription edit endpoint.. Mattermost Advisory ID: MMSA-2026-00650
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Mattermost / Mattermost | affected 11.7.0 through 11.7.0; affected 11.6.0 through 11.6.2; affected 11.5.0 through 11.5.5; affected 10.11.0 through 10.11.17; unaffected 11.8.0; unaffected 11.7.1; unaffected 11.6.3; unaffected 11.5.6; unaffected 10.11.18 |
CWE
CWE-639
References
ADP enrichment
No English description supplied.
No references supplied.