VULNERABILITY INTELLIGENCE

CVE-2023-1774

CVSS score4.2 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2023-03-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Description

When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-862
  • nvd@nist.gov: CWE-862

Primary references