CVEvulnerability

CVE-2026-0998

4.3 MEDIUM Published 2026-02-16 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-02-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-862

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 user identity and post ownership in the {{/api/v1/askPMI}} endpoint which allows unauthorized users to start Zoom meetings as any user and overwrite arbitrary posts via direct API calls with manipulated user IDs and post data.. Mattermost Advisory ID: MMSA-2025-00534

Affected configurations

• mattermost mattermost server (>= 10.11.0 < 10.11.10) • mattermost mattermost server (>= 11.1.0 < 11.1.3) • mattermost mattermost server (>= 11.2.0 < 11.2.2) • mattermost zoom (<= 1.11.0)

Related

Weakness · CWE (1)

  • CWE-862 Missing Authorization weakness

References