CVEvulnerability

CVE-2026-8683

6.5 MEDIUM Published 2026-06-15 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-06-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses
CWE-770

Description

Mattermost Desktop App versions <=6.1 5.5.13.0 fail to account for attempting to open extremely long URLs in the Mattermost Desktop App which allows a malicious server owner to crash the application via including a script to call window.open on a very large URL. Mattermost Advisory ID: MMSA-2026-00652

Affected configurations

• mattermost mattermost desktop (<= 5.13.0) • mattermost mattermost desktop (>= 6.1.0 <= 6.1.5)

Related

Weakness · CWE (1)

  • CWE-770 Allocation of Resources Without Limits or Throttling weakness

References