CVEvulnerability

CVE-2026-12284

3.7 LOW Published 2026-09-17 Modified 2026-10-13 Official page ↗
Status
Analyzed
Published
2026-09-17
Last modified
2026-10-13
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
CWE-346

Description

Mattermost Desktop App versions <=6.2 6.2.2.0 fails to validate the IPC sender in the leaveCall handler which allows a malicious or compromised Mattermost server (or a user with script access to a connected server view) to disconnect an active call belonging to a different connected server via the desktopAPI.leaveCall IPC message. Mattermost Advisory ID: MMSA-2026-00699

Affected configurations

• mattermost mattermost desktop (>= 6.2.0 < 6.2.3)

Related

Weakness · CWE (1)

  • CWE-346 Origin Validation Error weakness

References