CVE-2026-40574

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 emaildomain enforcement option. An attacker may be able to authenticate with an email claim such as [email protected]@company.com and...

CVE-2026-40574

CVE-2026-40574 affects OAuth2 Proxy. Affected: deployments using email_domain restrictions. Issue: authorization bypass where an attacker can use a malformed multi-@ email claim (e.g., [email protected]@company.com) to satisfy a company.com domain check, even though the claim is not a valid email...

[SECURITY] Fedora 43 Update: python-msal-1.36.0-1.fc43

The Microsoft Authentication Library for Python enables applications to integrate with the Microsoft identity platform. It allows you to sign in users or apps with Microsoft identities Azure AD, Microsoft Accounts and Azure AD B2C accounts and obtain tokens to call Microsoft APIs such as Microsof...

BIT-OAUTH2-PROXY-2026-34457 OAuth2 Proxy: Health Check User-Agent Matching Bypasses Authentication in auth_request Mode

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 authrequest-style integration such as nginx authrequest and either...

@appwise/oauth2-server (>=0.0.19, <=0.2.2), @dyne/slangroom-chain (>=1.4.0, <=1.16.10) +4 more potentially affected by CVE-2026-41213 via @node-oauth/oauth2-server (>=5.0.0, <=5.2.1)

@node-oauth/oauth2-server NPM version =5.0.0, =0.0.19, =1.4.0, =1.3.0, =1.49.1, =1.0.0, =1.0.0, =1.0.1 Source cves: CVE-2026-41213 Source advisory: OSV:GHSA-JHM7-29PJ-4XVF...

@appwise/oauth2-server (>=0.0.19, <=0.2.2), @dyne/slangroom-chain (>=1.4.0, <=1.16.10) +4 more potentially affected by CVE-2026-41213 via @node-oauth/oauth2-server (>=5.0.0, <=5.2.1)

@node-oauth/oauth2-server NPM version =5.0.0, =0.0.19, =1.4.0, =1.3.0, =1.49.1, =1.0.0, =1.0.0, =1.0.1 Source cves: CVE-2026-41213 Source advisory: SNYK:JS-NODEOAUTHOAUTH2SERVER-16420261...

CVE-2025-15621

Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication...

Sparx Enterprise Architect 安全漏洞

Sparx Enterprise Architect is a modeling and design tool developed by the Australian company Sparx. There is a security vulnerability in Sparx Enterprise Architect, which stems from the failure to verify the recipient of OAuth2 credentials during OpenID authentication...

GHSA-PXQ7-H93F-9JRG OAuth2 Proxy has an Authentication Bypass via Fragment Confusion in skip_auth_routes and skip_auth_regex

Impact A configuration-dependent authentication bypass exists in OAuth2 Proxy. Deployments are affected when all of the following are true: Use of skipauthroutes or the legacy skipauthregex Use of patterns that can be widened by attacker-controlled suffixes, such as ^/foo/./bar$ causing potential...

OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims

Impact An authorization bypass exists in OAuth2 Proxy as part of the emaildomain enforcement option. An attacker may be able to authenticate with an email claim such as [email protected]@company.com and satisfy an allowed domain check for company.com, even though the claim is not a valid email...

GHSA-C5C4-8R6X-56W3 OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims

Impact An authorization bypass exists in OAuth2 Proxy as part of the emaildomain enforcement option. An attacker may be able to authenticate with an email claim such as [email protected]@company.com and satisfy an allowed domain check for company.com, even though the claim is not a valid email...

OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing

Impact A configuration-dependent authentication bypass exists in OAuth2 Proxy. Deployments are affected when all of the following are true: OAuth2 Proxy is configured with --reverse-proxy and at least one rule is defined with --skipauthroutes or the legacy --skip-auth-regex OAuth2 Proxy may trust...

GHSA-7X63-XV5R-3P2X OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing

Impact A configuration-dependent authentication bypass exists in OAuth2 Proxy. Deployments are affected when all of the following are true: OAuth2 Proxy is configured with --reverse-proxy and at least one rule is defined with --skipauthroutes or the legacy --skip-auth-regex OAuth2 Proxy may trust...

CVE-2026-41213

creationtimestamp| type| source ---|---|--- 2026-04-15 08:02:45+00:00| published-proof-of-concept| https://github.com/node-oauth/node-oauth2-server/security/advisories/GHSA-jhm7-29pj-4xvf...

PT-2026-80988

Name of the Vulnerable Software and Affected Versions OAuth2 Proxy versions 7.5.0 through 7.15.1 Description An authentication bypass exists when the software is configured with --reverse-proxy and has at least one rule defined via --skip auth routes or --skip-auth-regex. The system may trust a...

PT-2026-33224

Name of the Vulnerable Software and Affected Versions OAuth2 Proxy versions prior to 7.15.2 Description A configuration-dependent authentication bypass occurs when OAuth2 Proxy is configured with --reverse-proxy and has at least one rule defined using --skip auth routes or --skip-auth-regex. In...

CVE-2026-34454

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 flow, a user may be...

CVE-2026-34457

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 authrequest-style integration such as nginx authrequest and either...

Insufficient Session Expiration

Overview github.com/oauth2-proxy/oauth2-proxy/v7 is a reverse proxy that provides authentication with Google, Github or other providers. Affected versions of this package are vulnerable to Insufficient Session Expiration through the SignInPage handler in oauthproxy.go. An attacker can keep a...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation via the isHealthCheckRequest function in pkg/middleware/healthcheck.go. An attacker can reach protected endpoints by sending a request with a configured health-check User-Agent, causing the middleware to treat the...