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CVE-2026-14180

Undertow-core: undertow:http request smuggling via oversized chunk-size bit overlap

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially crafted request with an extremely large chunk size, an attacker can cause these values to overlap, tricking the parser into thinking a request has finished prematurely. This can allow a second, "smuggled" request to be processed out of sync, potentially bypassing security controls.

CVSS 3.1 · 5.3 Medium EPSS 1.0% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Hawtio Build Of Apache Camel - Hawtio Build Of Apache Camel For Spring Boot and 11 more
CVE-2026-50633

Apache CXF: JNDI Injection vulnerability in DispatchMDBMessageListenerImpl

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 3.6.12, which fixes this issue.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Cxf Build Of Apache Camel Fuse
CVE-2026-50628

Apache CXF: OAuth2: Inverted IP Binding Check 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 4.1.7 or 3.6.12, which fixes this issue.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Cxf Build Of Apache Camel Fuse and 1 more
CVE-2026-50632

Apache CXF: JNDI Injection Vulnerability in JMSConfigFactory

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 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Cxf Build Of Apache Camel Enterprise Linux and 3 more
CVE-2026-50627

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 are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.

CVSS 3.1 · 9.1 Critical EPSS 4.1% KEV · Not listed
Vendors
Apache Redhat
Products
Cxf Build Of Apache Camel Fuse and 1 more
CVE-2026-10832

Org.wildfly.security/wildfly-elytron-asn1: unbounded memory allocation in wildfly elytron asn.1 derdecoder via crafted der payload

A flaw was found in the DERDecoder class within wildfly-elytron-asn1. A remote attacker can exploit this resource exhaustion vulnerability by sending a specially crafted DER (Distinguished Encoding Rules) payload. The decoder attempts to allocate excessive memory based on an inflated length value without proper validation, leading to Java Virtual Machine (JVM) memory exhaustion. This results in a remote Denial of Service (DoS) for services that process untrusted DER/ASN.1 input, including SASL (Simple Authentication and Security Layer) authentication mechanisms and X.500 certificate principal parsing paths.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Hawtio Build Keycloak Build Of Apache Camel - Hawtio and 20 more
CVE-2026-81624

Undertow-core: undertow: websocketcontainer defaults for buffers and timeouts are infinite

Undertow is a flexible performant web server used in JBoss EAP and WildFly. A flaw was found in how Undertow handles WebSocket connections. Specifically, certain configuration limits like message buffer sizes and session timeouts cannot be adjusted and default to being unlimited. This allows a remote attacker to send large amounts of data or maintain connections indefinitely, potentially crashing the server by exhausting its memory or other resources.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Build Of Apache Camel For Spring Boot Camel Spring Boot Enterprise Linux and 6 more
CVE-2026-5680

Undertow-core: undertow: denial of service via websocket permessage-deflate processing

A flaw was found in Undertow. A remote attacker could exploit this vulnerability by sending specially crafted WebSocket messages with permessage-deflate negotiated. This could lead to excessive memory consumption due to the PerMessageDeflateFunction.largerBuffer() method using exponential doubling, resulting in a Denial of Service (DoS) for the affected application.

CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed
Vendors
Redhat Undertow
Products
Apache Camel Hawtio Build Of Apache Camel - Hawtio Build Of Apache Camel For Spring Boot and 14 more
CVE-2026-28369

Undertow: undertow: request smuggling via malformed http request headers

A flaw was found in Undertow. When Undertow receives an HTTP request where the first header line starts with one or more spaces, it incorrectly processes the request by stripping these leading spaces. This behavior, which violates HTTP standards, can be exploited by a remote attacker to perform request smuggling. Request smuggling allows an attacker to bypass security mechanisms, access restricted information, or manipulate web caches, potentially leading to unauthorized actions or data exposure.

CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Hawtio Build Of Apache Camel - Hawtio Build Of Apache Camel For Spring Boot and 14 more
CVE-2026-28368

Undertow: undertow: request smuggling via inconsistent header parsing

A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies. This discrepancy in header interpretation can be exploited to launch request smuggling attacks, potentially bypassing security controls and accessing unauthorized resources.

CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Hawtio Build Of Apache Camel - Hawtio Build Of Apache Camel For Spring Boot and 14 more
CVE-2026-28367

Undertow: undertow: request smuggling via `\r\r\r` as a header block terminator

A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending `\r\r\r` as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer, potentially leading to unauthorized access or manipulation of web requests.

CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Hawtio Build Of Apache Camel - Hawtio Build Of Apache Camel For Spring Boot and 14 more
CVE-2025-12543

Undertow-core: undertow http server fails to reject malformed host headers leading to potential cache poisoning and ssrf

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without rejection, enabling attackers to poison caches, perform internal network scans, or hijack user sessions.

CVSS 3.1 · 9.6 Critical EPSS 1.3% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Hawtio Apache Camel Spring Boot Build Of Apache Camel and 16 more
CVE-2025-9784

Undertow: undertow madeyoureset http/2 ddos vulnerability

A flaw was found in Undertow where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the "MadeYouReset" attack, allows malicious clients to induce excessive server workload by repeatedly causing server-side stream aborts. While not a protocol bug, this highlights a common implementation weakness that can be exploited to cause a denial of service (DoS).

CVSS 3.1 · 7.5 High EPSS 2.3% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Hawtio Apache Camel Spring Boot Build Of Apache Camel For Spring Boot and 15 more
CVE-2024-7885

Undertow: improper state management in proxy protocol parsing causes information leakage

A vulnerability was found in Undertow where the ProxyProtocolReadListener reuses the same StringBuilder instance across multiple requests. This issue occurs when the parseProxyProtocolV1 method processes multiple requests on the same HTTP connection. As a result, different requests may share the same StringBuilder instance, potentially leading to information leakage between requests or responses. In some cases, a value from a previous request or response may be erroneously reused, which could lead to unintended data exposure. This issue primarily results in errors and connection termination but creates a risk of data leakage in multi-request environments.

CVSS 3.1 · 7.5 High EPSS 2.6% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Hawtio Apache Camel Spring Boot Build Keycloak and 18 more
CVE-2026-119542

Org.infinispan/infinispan-query: infinispan: deeply nested ickle queries can trigger a stackoverflowerror

A flaw was found in the Ickle query parser in Infinispan. A query containing deeply nested predicates can cause recursive parsing to exhaust the Java thread stack and throw an uncaught StackOverflowError. An authenticated user with BULK_READ permission who can submit a cache query may trigger the issue, potentially affecting availability.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Infinispan Redhat
Products
Infinispan Build Of Apache Camel For Quarkus Camel Quarkus and 7 more
CVE-2026-86404

Artemis-server: artemis-jms-client: artemis-core-client: undertow-core: wildfly-messaging-activemq-subsystem: artemis messaging handlers in red hat eap permit deserialization by default

EAP's Artemis deserialization configuration permits deserialization by default. ObjectMessage.getObject() uses ObjectInputStreamWithClassLoader, which implements allow-list/block-list filtering via its checkSecurity()/isTrustedType() method. However, by default both allow-list and block-list are empty. When the allow-list is empty (size == 0), isTrustedType() returns true for ALL classes. This means all classes are deserializable by default.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Amq Broker Build Of Apache Camel For Quarkus Build Of Apache Camel For Spring Boot and 3 more
CVE-2026-15565

Undertow: undertow-websockets: undertow: pre-auth dos on websocket endpoint with @serverendpoint class with any @onmessage method

A flaw was found in Undertow. A remote attacker can cause Out of Memory on websockets endpoint without authentication on any @ServerEndpoint class that has any @OnMessage method. This allows an attacker to cause Denial of Service attack without authentication and using only a standard WebSocket handshake.

CVSS 3.1 · 7.5 High EPSS 1.0% KEV · Not listed
Vendors
Redhat
Products
Build Of Apache Camel For Spring Boot Camel Spring Boot Data Grid 8 and 10 more
CVE-2026-87743

Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus http security

A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths are normalized between the security matcher and HTTP request dispatchers. This allows the attacker to craft a URL that the security matcher considers public, but which is then routed to a protected endpoint, leading to an authorization bypass and potential unauthorized access to sensitive information.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Red Hat Openshift Ai (rhoai) Apicurio Registry Build Keycloak and 16 more
CVE-2026-49875

Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils

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.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Cxf Build Of Apache Camel Enterprise Linux and 4 more
CVE-2026-12894

Io.quarkus:quarkus-qute: quarkus-qute:server-side template injection (ssti) vulnerability in reflectionvalueresolver of the quarkus qute template engine

A flaw was found in the Qute template engine, which is used by Quarkus to generate dynamic content like HTML pages or emails. The issue exists in the component responsible for looking up data values (ReflectionValueResolver), which fails to properly block access to sensitive Java internal functions when processing certain data types like Enums. An attacker who can provide or influence the template text can exploit this bypass to take control of the server by executing unauthorized commands.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Apache Camel Quarkus Build Of Apache Camel For Quarkus Build Of Quarkus and 4 more