← Back

CVE-2026-0998

nvd nist
Published: Feb 16, 2026Modified: Jun 17, 2026

JSON object

Loading...
4.3
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Exploitability: 2.8 / Impact: 1.4
Source: responsibledisclosure@mattermost.com (Secondary)

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 (4)

Mattermost
2 products
Mattermost Server
Zoom
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Mattermost
Mattermost Server
From 10.11.0 to 10.11.10
Mattermost Server
From 11.1.0 to 11.1.3
Mattermost Server
From 11.2.0 to 11.2.2
Zoom
Up to 1.11.0

Related CWEs

CWE-862
Missing Authorization
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

References (1)

Source: responsibledisclosure@mattermost.com
Vendor Advisory

Timeline

No history available yet.