CVE-2025-13870 — Unauthorized access and subscription vulnerability in Boards

CVE-2025-13870

Unauthorized access and subscription vulnerability in Boards PUBLISHED

Description (CNA)

Mattermost versions 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to validate the user permission when accessing the files and subscribing to the block in Boards, which allows an authenticated user to access other board files and was able to subscribe to the block from other boards that the user does not have access to

Affected (CNA)

Vendor / product	Versions
Mattermost / Mattermost	affected 10.11.0 through 10.11.4; affected 10.5.0 through 10.5.12; unaffected 11.1.0; unaffected 10.11.5; unaffected 10.5.13

CWE

CWE-306

References

https://mattermost.com/security-updates

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.