CVE-2023-3581

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-346

Affected software

No affected versions have been published.

Timeline

Published
Jul 17, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-3581: High severity, CVSS 8.1 | Vulnix