Moole Vulnerability Database

Find real vulnerabilities before they ship

Medium

CVE-2026-26304

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2 fail to verify run_create permission for empty playbookId, which allows team members to create unauthorized runs via the playbook run API. Mattermost Advisory ID: MMSA-2025-00542

VectorNETWORK

PublishedMar 16, 2026, 20:16

Published Byresponsibledisclosure@mattermost.com

Base Score

Score4.3

Affected Versions

Package (Ecosystem)IntroducedFixedLimit

github.com/mattermost/mattermost-plugin-playbooks(Go)01.41.1-0.20260316224925-705f54a81841N/A

References

https://mattermost.com/security-updates

Weakness Type

CWE-863

CVSS Metrics

Base Score

4.3

Vector String

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Base SeverityMedium

Version

3.1

Attack Vector (AV)

NETWORK