CVE-2026-37977

CVE-2026-37977 affects Keycloak’s User-Managed Access (UMA) token endpoint. A flaw in CORS handling arises when the azp claim from a client-supplied JWT is used to set the Access-Control-Allow-Origin header before JWT validation, allowing an attacker-controlled origin to be reflected in responses...

CVE-2026-37977 Keycloak: org.keycloak.protocol.oidc.grants.ciba: keycloak: information disclosure via cors header injection due to unvalidated jwt azp claim

A flaw was found in Keycloak. A remote attacker can exploit a Cross-Origin Resource Sharing CORS header injection vulnerability in Keycloak's User-Managed Access UMA token endpoint. This flaw occurs because the azp claim from a client-supplied JSON Web Token JWT is used to set the...

CVE-2026-37977

A flaw was found in Keycloak. A remote attacker can exploit a Cross-Origin Resource Sharing CORS header injection vulnerability in Keycloak's User-Managed Access UMA token endpoint. This flaw occurs because the azp claim from a client-supplied JSON Web Token JWT is used to set the...

PT-2026-30582

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak that allows a remote attacker to exploit a Cross-Origin Resource Sharing CORS header injection in the User-Managed Access UMA token endpoint. The issue arises becau...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the authentication when usernameclaim is set to email and email verification is not enforced. An attacker can gain unauthorized access and potentially take over accounts by using an unverified email address o...

CVE-2026-33175

OAuthenticator is software that allows OAuth2 identity providers to be plugged in and used with JupyterHub. Prior to version 17.4.0, an authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email i...

CVE-2026-33175

OAuthenticator is software that allows OAuth2 identity providers to be plugged in and used with JupyterHub. Prior to version 17.4.0, an authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email i...

CVE-2026-33175 OAuthenticator: Authentication Bypass in Auth0OAuthenticator via Unverified Email Claims

OAuthenticator is software that allows OAuth2 identity providers to be plugged in and used with JupyterHub. Prior to version 17.4.0, an authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email i...

CVE-2026-33175

CVE-2026-33175 affects OAuthenticator for JupyterHub. Before 17.4.0, an authentication bypass via unverified emails on an Auth0 tenant when email is used as the usrname_claim can allow login and potential account takeover. Affected: OAuthenticator versions before 17.4.0 integrated with JupyterHub...

GHSA-RRVG-CXH4-QHRV Auth0OAuthenticator has an Authentication Bypass via Unverified Email Claims

Summary An authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email is used as the usrnameclaim, this gives users control over their username and the possibility of account takeover. Impact This...

Auth0OAuthenticator has an Authentication Bypass via Unverified Email Claims

Summary An authentication bypass vulnerability in oauthenticator allows an attacker with an unverified email address on an Auth0 tenant to login to JupyterHub. When email is used as the usrnameclaim, this gives users control over their username and the possibility of account takeover. Impact This...

EUVD-2026-18156

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own...

CVE-2026-29138 PGP Decryption Sender LDAP Injection

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own...

SUSE CVE-2026-32727

SciTokens is a reference library for generating and using SciTokens. Prior to version 1.9.7, the Enforcer is vulnerable to a path traversal attack where an attacker can use dot-dot .. in the scope claim of a token to escape the intended directory restriction. This occurs because the library...

EUVD-2026-17292

SciTokens has an Authorization Bypass via Path Traversal in Scope Validation...

CVE-2026-32725

Summary: SciTokens C++ (scitokens-cpp) before 1.4.1 is vulnerable to an authorization bypass due to path-based scope handling. The library normalizes the token’s scope path and collapses ".." components instead of rejecting them, allowing potential parent-directory traversal to broaden authorizat...

CVE-2026-32727

SciTokens is a reference library for generating and using SciTokens. Prior to version 1.9.7, the Enforcer is vulnerable to a path traversal attack where an attacker can use dot-dot .. in the scope claim of a token to escape the intended directory restriction. This occurs because the library...

Directory Traversal

Overview scitokens is a SciToken reference implementation library Affected versions of this package are vulnerable to Directory Traversal via the checkscope and scopepathmatches functions. An attacker can gain unauthorized access to restricted directories by including dot-dot .. sequences in the...

CVE-2026-32727

SciTokens is a reference library for generating and using SciTokens. Prior to version 1.9.7, the Enforcer is vulnerable to a path traversal attack where an attacker can use dot-dot .. in the scope claim of a token to escape the intended directory restriction. This occurs because the library...

PT-2026-29185

Name of the Vulnerable Software and Affected Versions SciTokens versions prior to 1.9.7 Description SciTokens is a library for generating and using SciTokens. The Enforcer component is susceptible to a path traversal issue. An attacker can exploit this by including 'dot-dot' .. sequences within t...