CVE-2026-68481

In Apache CXF's DefaultEncryptingOAuthDataProvider, revoked access tokens still decrypt successfully, and TokenIntrospectionService reports active:true. The same applies to refresh tokens. This violates the RFC stipulations that 'The authorization server MUST invalidate the token.' and...

CVE-2026-68079

In Apache CXF's DefaultEncryptingCodeDataProvider, a captured authorization code can be redeemed an unlimited number of times due to a flaw in the implementation of the removeCodeGrant functionality. This violates the RFC requirement that "The authorization code MUST NOT be used more than once."...

CVE-2026-65583

Apache CXF’s OIDC relying-party token validation could accept self-issued ID tokens without enforcing required claim checks issuer/subject/audience/time and subjwk binding, enabling authentication bypass with crafted tokens. However, note that self-issued ID tokens are not accepted by default in...

CVE-2026-63687

Apache CXF's JwtRequestCodeFilter copies all claims from a signed request JWT into the authorization parameter map without excluding security-sensitive parameters. A client that can produce a validly-signed request JWT e.g., one whose clientsecret is known or compromised can thereby substitute th...

CVE-2026-61466

In Apache CXF's OAuth2 Dynamic Client Registration endpoint, the authorization server accepts and stores the scope value supplied in the client registration request verbatim, without validating it against an AS-defined allowlist. This could lead to a client self-assigning privileged scopes at...

CVE-2026-57818 Apache CXF: OAuth2 Authorization Code Replay via TOCTOU in JCacheCodeDataProvider

A race condition in JCacheCodeDataProvider allows an attacker to redeem a single authorization code multiple times via concurrent requests, resulting in the issuance of multiple distinct, valid access tokens. Users are recommended to upgrade to versions 4.2.3, 4.1.8 or 3.6.12, which fix this issu...

CVE-2026-61466

In Apache CXF's OAuth2 Dynamic Client Registration endpoint, the authorization server accepts and stores the scope value supplied in the client registration request verbatim, without validating it against an AS-defined allowlist. This could lead to a client self-assigning privileged scopes at...

CVE-2026-63687

Apache CXF's JwtRequestCodeFilter copies all claims from a signed request JWT into the authorization parameter map without excluding security-sensitive parameters. A client that can produce a validly-signed request JWT e.g., one whose clientsecret is known or compromised can thereby substitute th...

CVE-2026-63687 Apache CXF: JwtRequestCodeFilter silently overrides outer PKCE and nonce parameters

Apache CXF's JwtRequestCodeFilter copies all claims from a signed request JWT into the authorization parameter map without excluding security-sensitive parameters. A client that can produce a validly-signed request JWT e.g., one whose clientsecret is known or compromised can thereby substitute th...

EUVD-2026-53859

Apache CXF’s OIDC relying-party token validation could accept self-issued ID tokens without enforcing required claim checks issuer/subject/audience/time and subjwk binding, enabling authentication bypass with crafted tokens. However, note that self-issued ID tokens are not accepted by default in...

CVE-2026-65583

Apache CXF’s OIDC relying-party token validation could accept self-issued ID tokens without enforcing required claim checks issuer/subject/audience/time and subjwk binding, enabling authentication bypass with crafted tokens. However, note that self-issued ID tokens are not accepted by default in...

CVE-2026-65583 Apache CXF: Self-issued ID token claims validation skipped

Apache CXF’s OIDC relying-party token validation could accept self-issued ID tokens without enforcing required claim checks issuer/subject/audience/time and subjwk binding, enabling authentication bypass with crafted tokens. However, note that self-issued ID tokens are not accepted by default in...

EUVD-2026-53858

In Apache CXF's DefaultEncryptingCodeDataProvider, a captured authorization code can be redeemed an unlimited number of times due to a flaw in the implementation of the removeCodeGrant functionality. This violates the RFC requirement that "The authorization code MUST NOT be used more than once."...

CVE-2026-68079

In Apache CXF's DefaultEncryptingCodeDataProvider, a captured authorization code can be redeemed an unlimited number of times due to a flaw in the implementation of the removeCodeGrant functionality. This violates the RFC requirement that "The authorization code MUST NOT be used more than once."...

EUVD-2026-53857

In Apache CXF's DefaultEncryptingOAuthDataProvider, revoked access tokens still decrypt successfully, and TokenIntrospectionService reports active:true. The same applies to refresh tokens. This violates the RFC stipulations that 'The authorization server MUST invalidate the token.' and...

CVE-2026-68481

In Apache CXF's DefaultEncryptingOAuthDataProvider, revoked access tokens still decrypt successfully, and TokenIntrospectionService reports active:true. The same applies to refresh tokens. This violates the RFC stipulations that 'The authorization server MUST invalidate the token.' and...

CVE-2026-68481 Apache CXF: Revocation bypass in DefaultEncryptingOAuthDataProvider

In Apache CXF's DefaultEncryptingOAuthDataProvider, revoked access tokens still decrypt successfully, and TokenIntrospectionService reports active:true. The same applies to refresh tokens. This violates the RFC stipulations that 'The authorization server MUST invalidate the token.' and...

CVE-2026-57817

The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the chash parameter when operating in the Hybrid Flow. If an Apache CXF RP is integrated with a non-compliant or misconfigured Identity Provider IdP that omits the chash, the RP becomes vulnerable to Authorization Code...

CVE-2026-57819

Apache CXF allows to set a limit on the number of form parameters in a JAX-RS message via the "maxFormParameterCount" configuration option. However, no default limit is set which may lead to denial of service attacks when processing requests with very large numbers of form parameters. Users are...

CVE-2026-66909

Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage using native Java deserialization, with no type restrictions in place. Any attacker able to place a message on the service's JMS destination can submit a malicious serialized object, leading to denial of service or,...