CVE-2023-2193

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-862

Affected software

No affected versions have been published.

Timeline

Published
Apr 20, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-2193: Critical severity, CVSS 9.1 | Vulnix