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github.com/oauth2-proxy/oauth2-proxy/v7
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OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing
CVE-2026-40575 · GHSA-7X63-XV5R-3P2X
github.com/oauth2-proxy/oauth2-proxy/v7
Red Hat Ceph Storage 9/rhceph/oauth2-proxy-rhel9
Go
Red Hat
Critical
Fix reported
2026-07-21
OAuth2 Proxy has an Authentication Bypass via Fragment Confusion in skip_auth_routes and skip_auth_regex
CVE-2026-41059 · GHSA-PXQ7-H93F-9JRG
Version ranges need review.
github.com/oauth2-proxy/oauth2-proxy/v7
github.com/oauth2-proxy/oauth2-proxy
Go
Red Hat
High
Fix reported
2026-06-26
OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims
CVE-2026-40574 · GHSA-C5C4-8R6X-56W3
Version ranges need review.
github.com/oauth2-proxy/oauth2-proxy/v7
github.com/oauth2-proxy/oauth2-proxy
Go
Red Hat
Medium
Fix reported
2026-06-25
OAuth2 Proxy's session cookies are not cleared when rendering sign-in page
CVE-2026-34454 · GHSA-F24X-5G9Q-753F
Version ranges need review.
github.com/oauth2-proxy/oauth2-proxy/v7
github.com/oauth2-proxy/oauth2-proxy
Go
Low
Fix reported
2026-06-25
OAuth2 Proxy's Health Check User-Agent Matching Bypasses Authentication in auth_request Mode
CVE-2026-34457 · GHSA-5HVV-M4W4-GF6V
Version ranges need review.
github.com/oauth2-proxy/oauth2-proxy/v7
github.com/oauth2-proxy/oauth2-proxy
Go
Critical
Fix reported
2026-06-25
OAuth2-Proxy is vulnerable to header smuggling via underscore leading to potential privilege escalation
CVE-2025-64484 · GHSA-VJRC-MH2V-45X6
Version ranges need review.
github.com/oauth2-proxy/oauth2-proxy/v7
github.com/oauth2-proxy/oauth2-proxy
Go
Red Hat
High
Fix reported
2026-03-03
OAuth2-Proxy's `--gitlab-group` GitLab Group Authorization config flag stopped working in v7.0.0
CVE-2021-21411 · GHSA-652X-M2GR-HPPM
Version ranges need review.
github.com/oauth2-proxy/oauth2-proxy/v7
github.com/oauth2-proxy/oauth2-proxy
Go
Medium
Fix reported
2026-03-03
Subdomain checking of whitelisted domains could allow unintended redirects in oauth2-proxy
CVE-2021-21291 · GHSA-4MF2-F3WH-GVF2
Version ranges need review.
github.com/oauth2-proxy/oauth2-proxy/v7
github.com/oauth2-proxy/oauth2-proxy
Go
Low
Fix reported
2026-03-03
OAuth2-Proxy has authentication bypass in oauth2-proxy skip_auth_routes due to Query Parameter inclusion
CVE-2025-54576 · GHSA-7RH7-C77V-6434
Version ranges need review.
github.com/oauth2-proxy/oauth2-proxy/v7
github.com/oauth2-proxy/oauth2-proxy
Go
Red Hat
Critical
Fix reported
2026-02-04