CVEvulnerability

CVE-2026-9602

6.5 MEDIUM Published 2026-07-17 Modified 2026-10-15 Official page ↗
Status
Analyzed
Published
2026-07-17
Last modified
2026-10-15
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400

Description

Mattermost Desktop App versions <=6.2 6.0.2 5.6.13.0 fail to validate payloads sent from the Mattermost Web App to the Desktop App which allows a malicious server owner to crash the Mattermost Desktop App via changing the payload of a method to a malformed one. Mattermost Advisory ID: MMSA-2026-00678

Affected configurations

• mattermost mattermost desktop (< 5.13.7) • mattermost mattermost desktop (>= 6.0.0 <= 6.0.2) • mattermost mattermost desktop (>= 6.2.0 < 6.2.1)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References