CVE-2025-53857 — Lack of Authorization on Get Channel Subscriptions for Autocomplete in Mattermost Confluence Plugin

CVE-2025-53857

Lack of Authorization on Get Channel Subscriptions for Autocomplete in Mattermost Confluence Plugin PUBLISHED

Description (CNA)

Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to get channel subscription details without proper access to the channel via API call to the GET autocomplete/GetChannelSubscriptions endpoint.

Affected (CNA)

Vendor / product	Versions
Mattermost / Mattermost Confluence Plugin	affected 0 before 1.5.0; unaffected 1.5.0

CWE

CWE-862

References

https://mattermost.com/security-updates

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.