VULNERABILITY INTELLIGENCE

CVE-2024-42406

CVSS score5.4 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2024-09-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Description

Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-284
  • nvd@nist.gov: NVD-CWE-noinfo

Primary references