CVE-2025-13767 — Unauthorized Read Access to Private Channel Posts via Mattermost Jira Plugin

CVE-2025-13767

Unauthorized Read Access to Private Channel Posts via Mattermost Jira Plugin PUBLISHED

Description (CNA)

Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fails to validate user channel membership when attaching Mattermost posts as comments to Jira issues, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have access to.

Affected (CNA)

Vendor / product	Versions
Mattermost / Mattermost	affected 11.1.0 through 11.1.0; affected 11.0.0 through 11.0.5; affected 10.12.0 through 10.12.3; affected 10.11.0 through 10.11.7; unaffected 11.2.0; unaffected 11.1.1; unaffected 11.0.6; unaffected 10.12.4; unaffected 10.11.8

CWE

CWE-863

References

https://mattermost.com/security-updates

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.