VULNERABILITY INTELLIGENCE

CVE-2023-48732

CVSS score4.3 MEDIUM
EPSS probability0.46%
CISA KEVNot currently listed
Published2024-01-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Description

Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-200
  • nvd@nist.gov: NVD-CWE-noinfo

Primary references