VULNERABILITY INTELLIGENCE

CVE-2023-3582

CVSS score4.3 MEDIUM
EPSS probability0.35%
CISA KEVNot currently listed
Published2023-07-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to,

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-863
  • nvd@nist.gov: CWE-863

Primary references