CVE-2023-2193

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CVSS 3.1

9.1 critical

EPSS

<1%p46

Published

Apr 20, 2023 (Apr 20, 2023)

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.

Vendors: mattermost
Products: mattermost
Weakness: CWE-862
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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