CVEvulnerability

CVE-2026-75588

2.6 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])
2.6 LOW — CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Weaknesses
CWE-1287

Description

Mattermost Desktop App versions <=6.2 6.2.2.0 fail to validate the URL scheme when checking whether a target URL is internal to the connected server, which allows a network-positioned attacker to load a plugin popout window over an insecure connection via a link using a downgraded URL scheme. Mattermost Advisory ID: MMSA-2026-00717

Affected configurations

• mattermost mattermost desktop (>= 6.2.0 < 6.2.3)

Related

Weakness · CWE (1)

  • CWE-1287 Improper Validation of Specified Type of Input weakness

References