oauth2-proxy Oauth2 Proxy Vulnerabilities

Oauth2-proxy Oauth2-proxy vulnerabilities.

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14 April 2026

Configuration-Dependent Authentication Bypass in OAuth2 Proxy by Oauth2 Proxy
CVE-2026-34457
Oauth2-proxyOauth2-proxy9.1CRITICAL
Session Management Flaw in OAuth2 Proxy Affects User Logout Process
CVE-2026-34454
Oauth2-proxyOauth2-proxy3.5LOW

10 November 2025

Privilege Escalation Vulnerability in OAuth2-Proxy Affecting Multiple Applications
CVE-2025-64484
Oauth2-proxyOauth2-proxy8.5HIGH

26 March 2021

Incorrect authorization in OAuth2-Proxy
CVE-2021-21411
Oauth2-proxyOauth2-proxy5.5MEDIUM

2 February 2021

Subdomain checking of whitelisted domains could allow unintended redirects
CVE-2021-21291
Oauth2-proxyOauth2-proxy4.7MEDIUM