VULNERABILITY INTELLIGENCE
CVE-2023-5193
CVSS score4.9 MEDIUM
EPSS probability0.57%
CISA KEVNot currently listed
Published2023-09-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Description
Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the permission to manage channels to read the posts of a DM conversation.
Weakness classification
- responsibledisclosure@mattermost.com: CWE-863
- nvd@nist.gov: CWE-863
Primary references
- responsibledisclosure@mattermost.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory