CVEvulnerability

CVE-2023-1775

6.5 MEDIUM Published 2023-03-31 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-03-31
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-200, CWE-668

Description

When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.

Affected configurations

• mattermost mattermost server (< 7.1.6) • mattermost mattermost server 7.7.1

Related

Weakness · CWE (2)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
  • CWE-668 Exposure of Resource to Wrong Sphere weakness

References