Oauth2 Proxy Project
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1- 13 CVEs
Recent CVEs
13| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-40575 | Cri | 0.52 | 9.1 | 0.00 | Apr 22, 2026 | 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 configured. An attacker can… | ||
| CVE-2026-34457 | Cri | 0.52 | 9.1 | 0.00 | Apr 14, 2026 | 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 nginx auth_request) and… | ||
| CVE-2017-1000069 | Hig | 0.50 | 8.8 | 0.01 | Jul 17, 2017 | CSRF in Bitly oauth2_proxy 2.1 during authentication flow | ||
| CVE-2025-64484 | Hig | 0.48 | 8.5 | 0.01 | Nov 10, 2025 | 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 applications that normalize… | ||
| CVE-2026-41059 | Hig | 0.46 | 8.2 | 0.00 | Apr 22, 2026 | 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 the legacy… | ||
| CVE-2026-40574 | Med | 0.37 | 6.8 | 0.00 | Apr 21, 2026 | OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Prior to 7.15.2, an authorization bypass exists in OAuth2 Proxy as part of the email_domain enforcement option. An attacker may be able to authenticate with an email claim such as… | ||
| CVE-2017-1000070 | Med | 0.33 | 6.1 | 0.01 | Jul 17, 2017 | The Bitly oauth2_proxy in version 2.1 and earlier was affected by an open redirect vulnerability during the start and termination of the 2-legged OAuth flow. This issue was caused by improper input validation and a violation of RFC-6819 | ||
| CVE-2026-34454 | Low | 0.16 | 3.5 | 0.00 | Apr 14, 2026 | OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. A regression introduced in 7.11.0 prevents OAuth2 Proxy from clearing the session cookie when rendering the sign-in page. In deployments that rely on the sign-in page as part of their logout… | ||
| CVE-2025-54576 | 0.00 | — | 0.01 | Jul 30, 2025 | 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 skip_auth_routes… | |||
| CVE-2021-21411 | 0.00 | — | 0.01 | Mar 26, 2021 | OAuth2-Proxy is an open source reverse proxy that provides authentication with Google, Github or other providers. The `--gitlab-group` flag for group-based authorization in the GitLab provider stopped working in the v7.0.0 release. Regardless of the flag settings, authorization… | |||
| CVE-2021-21291 | 0.00 | — | 0.01 | Feb 2, 2021 | OAuth2 Proxy is an open-source reverse proxy and static file server that provides authentication using Providers (Google, GitHub, and others) to validate accounts by email, domain or group. In OAuth2 Proxy before version 7.0.0, for users that use the whitelist domain feature, a… | |||
| CVE-2020-4037 | 0.00 | — | 0.01 | Jun 29, 2020 | In OAuth2 Proxy from version 5.1.1 and less than version 6.0.0, users can provide a redirect address for the proxy to send the authenticated user to at the end of the authentication flow. This is expected to be the original URL that the user was trying to access. This redirect… | |||
| CVE-2020-11053 | 0.00 | — | 0.01 | May 7, 2020 | In OAuth2 Proxy before 5.1.1, there is an open redirect vulnerability. Users can provide a redirect address for the proxy to send the authenticated user to at the end of the authentication flow. This is expected to be the original URL that the user was trying to access. This… |
- risk 0.52cvss 9.1epss 0.00
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 configured. An attacker can…
- risk 0.52cvss 9.1epss 0.00
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 nginx auth_request) and…
- risk 0.50cvss 8.8epss 0.01
CSRF in Bitly oauth2_proxy 2.1 during authentication flow
- risk 0.48cvss 8.5epss 0.01
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 applications that normalize…
- risk 0.46cvss 8.2epss 0.00
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 the legacy…
- risk 0.37cvss 6.8epss 0.00
OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Prior to 7.15.2, an authorization bypass exists in OAuth2 Proxy as part of the email_domain enforcement option. An attacker may be able to authenticate with an email claim such as…
- risk 0.33cvss 6.1epss 0.01
The Bitly oauth2_proxy in version 2.1 and earlier was affected by an open redirect vulnerability during the start and termination of the 2-legged OAuth flow. This issue was caused by improper input validation and a violation of RFC-6819
- risk 0.16cvss 3.5epss 0.00
OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. A regression introduced in 7.11.0 prevents OAuth2 Proxy from clearing the session cookie when rendering the sign-in page. In deployments that rely on the sign-in page as part of their logout…
- CVE-2025-54576Jul 30, 2025risk 0.00cvss —epss 0.01
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 skip_auth_routes…
- CVE-2021-21411Mar 26, 2021risk 0.00cvss —epss 0.01
OAuth2-Proxy is an open source reverse proxy that provides authentication with Google, Github or other providers. The `--gitlab-group` flag for group-based authorization in the GitLab provider stopped working in the v7.0.0 release. Regardless of the flag settings, authorization…
- CVE-2021-21291Feb 2, 2021risk 0.00cvss —epss 0.01
OAuth2 Proxy is an open-source reverse proxy and static file server that provides authentication using Providers (Google, GitHub, and others) to validate accounts by email, domain or group. In OAuth2 Proxy before version 7.0.0, for users that use the whitelist domain feature, a…
- CVE-2020-4037Jun 29, 2020risk 0.00cvss —epss 0.01
In OAuth2 Proxy from version 5.1.1 and less than version 6.0.0, users can provide a redirect address for the proxy to send the authenticated user to at the end of the authentication flow. This is expected to be the original URL that the user was trying to access. This redirect…
- CVE-2020-11053May 7, 2020risk 0.00cvss —epss 0.01
In OAuth2 Proxy before 5.1.1, there is an open redirect vulnerability. Users can provide a redirect address for the proxy to send the authenticated user to at the end of the authentication flow. This is expected to be the original URL that the user was trying to access. This…