CVE-2026-0997

Mattermost Zoom Plugin channel preference API lacks authorization checks

State: Published
Severity: 4.3 Medium
Published: Feb 16, 2026
Updated: Feb 17, 2026
Reserved: Jan 15, 2026

Description

Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 and Mattermost Plugin Zoom versions <=1.11.0 fail to validate the authenticated user when processing {{/plugins/zoom/api/v1/channel-preference}}, which allows any logged-in user to change Zoom meeting restrictions for arbitrary channels via crafted API requests.. Mattermost Advisory ID: MMSA-2025-00558

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	Mattermost

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
MattermostMattermost	11.1.0 through 11.1.2Affected 10.11.0 through 10.11.9Affected 11.2.0 through 11.2.1Affected 11.3.0Not affected 11.1.3Not affected 10.11.10Not affected 11.2.2Not affected

References

MMSA-2025-00558vendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.