Description (CNA)
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to validate the type of `fields.properties` on block creation which allows an authenticated user with editor access to a board to crash the Boards plugin worker and trigger a denial of service via a child block whose `fields.properties` is a non-object value. Mattermost Advisory ID: MMSA-2026-00710
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Mattermost / Mattermost | affected 11.9.0 through 11.9.0; affected 11.8.0 through 11.8.4; affected 11.7.0 through 11.7.7; affected 10.11.0 through 10.11.22; unaffected 11.10.0; unaffected 11.9.1; unaffected 11.8.5; unaffected 11.7.8; unaffected 10.11.23 |
CWE
CWE-754
References
ADP enrichment
No English description supplied.
No references supplied.