CVE-2025-55074 — Channel member objects leak read status

CVE-2025-55074

Channel member objects leak read status PUBLISHED

Description (CNA)

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects

Affected (CNA)

Vendor / product	Versions
Mattermost / Mattermost	affected 10.11.0 through 10.11.3; affected 10.5.0 through 10.5.11; unaffected 11.0.0; unaffected 10.11.4; unaffected 10.5.12

CWE

CWE-1426

References

https://mattermost.com/security-updates

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.