Apache CXF OAuth2 Missing JWT Audience and Issuer Validation in Access Token Validator

The JwtAccessTokenValidator class in Apache CXF fails to validate the 'aud' Audience claims of incoming JWT access tokens. This allows a JWT issued for one Resource Server to be successfully replayed against a completely different Resource Server, leading to Token Confusion/Routing attacks. Users...

Apache CXF OAuth2 has Inverted IP Binding Check that Defeats Security Control

A logic error in OAuthRequestFilter rejects legitimate requests originating from the bound IP address, while blindly allowing requests from any other IP address. Enabling this security feature inadvertently creates an inverse security check. Users are recommended to upgrade to versions 4.2.2 or...

CRLF Injection

Overview org.apache.cxf:cxf-rt-rs-security-oauth2 is a services framework. Affected versions of this package are vulnerable to CRLF Injection via the clientId parameter, which is directly concatenated into server log warning messages without sanitizing control characters. An attacker can manipula...

OESA-2026-2638 httpd security update

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fixes: A vulnerability was found in Apache HTTP Server Web Server affected version not known. It has been rated as critical.Using CWE to declare the problem leads to CWE-404. The product does not release or...

OESA-2026-2639 httpd security update

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fixes: A vulnerability was found in Apache HTTP Server Web Server affected version not known. It has been rated as critical.Using CWE to declare the problem leads to CWE-404. The product does not release or...

OESA-2026-2640 httpd security update

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fixes: A vulnerability was found in Apache HTTP Server Web Server affected version not known. It has been rated as critical.Using CWE to declare the problem leads to CWE-404. The product does not release or...

OESA-2026-2611 mod_http2 security update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: A vulnerability was found in Apache HTTP Server Web Server affected version not known. It has been rated as critical.Using CWE to declare the problem leads to CWE-404. Th...

OESA-2026-2627 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's modhttp leads to denial of service via malicious HTTP requests. This issue affects...

XML External Entity (XXE) Injection

Overview org.apache.cxf:cxf-core is an an open source services framework. CXF helps you build and develop services using frontend programming APIs, like JAX-WS and JAX-RS. Affected versions of this package are vulnerable to XML External Entity XXE Injection due to improper configuration of the...

Authentication Bypass by Alternate Name

Overview org.apache.cxf:cxf-rt-rs-security-oauth2 is a services framework. Affected versions of this package are vulnerable to Authentication Bypass by Alternate Name via the JwtAccessTokenValidator class. An attacker can gain unauthorized access to protected resources by replaying a JWT access...

Improper Validation of Specified Type of Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input in the DispatchMDBMessageListenerImpl method. An attacker can achieve arbitrary code execution by providing crafted values in the JCA deployment descriptor ra.xml or runtime activation...

Improper Validation of Specified Type of Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input in the JMSConfigFactory method. An attacker can execute arbitrary code by supplying untrusted JMS configuration data. Remediation Upgrade org.apache.cxf:cxf-rt-transports-jms to version...

HTTP Response Splitting

Overview org.apache.cxf:cxf-rt-rs-security-oauth2 is a services framework. Affected versions of this package are vulnerable to HTTP Response Splitting via improper handling of the realm parameter in the construction of the WWW-Authenticate response header. An attacker can inject arbitrary HTTP...

CVE-2026-50633

A JNDI Injection vulnerability has been discovered in Apache CXF's JCA integration module, which can allow for code execution, if an attacker is able to manipulate the JCA deployment descriptor ra.xml or runtime activation parameters. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or...

CVE-2026-50634

A vulnerability in Apache CXF's JwsJsonContainerRequestFilter can be exploited to cause CXF to process metadata that was not authenticated by the accepted signature. This can bypass the application's assumption that accepted Content-Type or protected HTTP-header metadata came from a verified...

CVE-2026-50645

There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service attack. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this...

CVE-2026-50632

A further incomplete fix for a previous advisory CVE-2026-44417 Untrusted JMS configuration can lead to RCE for Apache CXF has been identified, which can allow code execution capabilities, if untrusted users are allowed to configure JMS for Apache CXF. Users are recommended to upgrade to versions...

CVE-2026-49875

Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band OOB external entity resolution. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this issue...

CVE-2026-50623

An authentication bypass vulnerability exists in the OAuth2 TokenIntrospectionService in Apache CXF. Due to a missing 'throw' keyword in the security context check, the introspection endpoint /services/oauth2/introspect can be accessed by any unauthenticated network attacker. However note that th...

CVE-2026-50645 Apache CXF: No restriction on attachment headers per message

There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service attack. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this...