GitHub Advisoryadvisory · Go

GHSA-w65c-fvp5-fvc5 Mattermost Plugin Zoom fail to validate user identity and post ownership in the {{/api/v1/askPMI}} endpoint

MEDIUM Published 2026-02-16 Modified 2026-02-19 Official page ↗
Aliases
CVE-2026-0998
Ecosystem
Go
Packages
github.com/mattermost/mattermost-plugin-zoom
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-862
Reviewed
2026-02-19

Affected packages

• Go github.com/mattermost/mattermost-plugin-zoom: < 1.12.0 → fixed in 1.12.0

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

Related

Alias · CVE (1)

  • CVE-2026-0998 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… vulnerability

Weakness · CWE (1)

  • CWE-862 Missing Authorization weakness

References