Oauth2-proxy vulnerabilities
We track 6 vulnerabilities in Oauth2-proxy products. 6 are rated high or critical, and none are known to be exploited. The most recent was published on August 24, 2026.
Latest Oauth2-proxy vulnerabilities
- 9.1 Critical severity
oauth2-proxy: Authentication Bypass by Spoofing
OAuth2 Proxy honours a client-supplied X-Forwarded-Uri header when deciding whether a request may skip authentication, because the guard added for CVE-2026-40575 is inert in the default reverse-proxy configuration. GetRequestURI in pkg/requests/util/util.go pr
- 8.2 High severity
oauth2-proxy: Authentication Bypass Using an Alternate Path or Channel
OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Versions 7.5.0 through 7.15.1 have a configuration-dependent authentication bypass. Deployments are affected when all of the following are true: Use of `skip_auth_routes` or t
- 9.1 Critical severity
oauth2-proxy: Authentication Bypass by Spoofing
OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Versions 7.5.0 through 7.15.1 may trust a client-supplied `X-Forwarded-Uri` header when `--reverse-proxy` is enabled and `--skip-auth-regex` or `--skip-auth-route` is configur
- 9.1 Critical severity
oauth2-proxy: Authentication Bypass by Spoofing
OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Versions prior to 7.15.2 contain a configuration-dependent authentication bypass in deployments where OAuth2 Proxy is used with an auth_request-style integration (such as ngin
- 8.5 High severity
oauth2-proxy: Improper Neutralization of HTTP Headers for Scripting Syntax
OAuth2-Proxy is an open-source tool that can act as either a standalone reverse proxy or a middleware component integrated into existing reverse proxy or load balancer setups. In versions prior to 7.13.0, all deployments of OAuth2 Proxy in front of application
- 9.1 Critical severity
oauth2-proxy: Authentication Bypass by Spoofing
OAuth2-Proxy is an open-source tool that can act as either a standalone reverse proxy or a middleware component integrated into existing reverse proxy or load balancer setups. In versions 7.10.0 and below, oauth2-proxy deployments are vulnerable when using the