CVE-2026-46454

camel-cometd Inbound Bayeux Header Injection Reproducer CVE-2026-46454 This project demonstrates a message-header injection in Apache Camel's camel-cometd component, tracked as CVE-2026-46454. The component maps inbound Bayeux CometD message headers into the Camel Exchange without...

Improper Input Validation

Apache Camel is vulnerable to Improper Input Validation. The vulnerability is due to unfiltered CometD client-supplied headers being copied directly into the Camel Exchange, which allows an attacker to inject Camel control headers and manipulate downstream producers such as HTTP, file, or JMS...

Exploit for Improper Input Validation in Apache Camel

camel-cometd Inbound Bayeux Header Injection Reproducer CVE-2...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation through CometdBinding.populateExchangeFromMessage in camel-cometd. An attacker can inject Camel control headers into a CometD message by supplying an ext.CamelHeaders map when publishing to a CometD endpoint. T...

Apache Camel-Cometd: Inbound Bayeux message headers are mapped into the Exchange without a HeaderFilterStrategy, allowing unauthenticated clients to inject Camel control headers

Improper Input Validation vulnerability in Apache Camel Cometd Component. The camel-cometd component maps inbound Bayeux CometD message headers into the Camel Exchange without applying a HeaderFilterStrategy. CometdBinding.populateExchangeFromMessage copies the entire ext.CamelHeaders map supplie...

GHSA-R9CC-J7WR-P329 Apache Camel-Cometd: Inbound Bayeux message headers are mapped into the Exchange without a HeaderFilterStrategy, allowing unauthenticated clients to inject Camel control headers

Improper Input Validation vulnerability in Apache Camel Cometd Component. The camel-cometd component maps inbound Bayeux CometD message headers into the Camel Exchange without applying a HeaderFilterStrategy. CometdBinding.populateExchangeFromMessage copies the entire ext.CamelHeaders map supplie...

CVE-2026-46454

Improper Input Validation vulnerability in Apache Camel Cometd Component. The camel-cometd component maps inbound Bayeux CometD message headers into the Camel Exchange without applying a HeaderFilterStrategy. CometdBinding.populateExchangeFromMessage copies the entire ext.CamelHeaders map supplie...

EUVD-2026-41828

Improper Input Validation vulnerability in Apache Camel Cometd Component. The camel-cometd component maps inbound Bayeux CometD message headers into the Camel Exchange without applying a HeaderFilterStrategy. CometdBinding.populateExchangeFromMessage copies the entire ext.CamelHeaders map supplie...

CVE-2026-46454

The Apache Camel Cometd Component suffers from an improper input validation vulnerability (CWE-20) where it fails to apply a HeaderFilterStrategy when mapping inbound Bayeux (CometD) message headers into the Camel Exchange. Specifically, the CometdBinding.populateExchangeFromMessage (or createCam...

CVE-2026-46454

Improper Input Validation vulnerability in Apache Camel Cometd Component. The camel-cometd component maps inbound Bayeux CometD message headers into the Camel Exchange without applying a HeaderFilterStrategy. CometdBinding.populateExchangeFromMessage copies the entire ext.CamelHeaders map supplie...

CVE-2026-46454 Apache Camel: Camel-Cometd: Inbound Bayeux message headers are mapped into the Exchange without a HeaderFilterStrategy, allowing unauthenticated clients to inject Camel control headers

Improper Input Validation vulnerability in Apache Camel Cometd Component. The camel-cometd component maps inbound Bayeux CometD message headers into the Camel Exchange without applying a HeaderFilterStrategy. CometdBinding.populateExchangeFromMessage copies the entire ext.CamelHeaders map supplie...

CVE-2026-46454 Apache Camel: Camel-Cometd: Inbound Bayeux message headers are mapped into the Exchange without a HeaderFilterStrategy, allowing unauthenticated clients to inject Camel control headers

Improper Input Validation vulnerability in Apache Camel Cometd Component. The camel-cometd component maps inbound Bayeux CometD message headers into the Camel Exchange without applying a HeaderFilterStrategy. CometdBinding.populateExchangeFromMessage copies the entire ext.CamelHeaders map supplie...

CVE-2026-46454 Apache Camel: Camel-Cometd: Inbound Bayeux message headers are mapped into the Exchange without a HeaderFilterStrategy, allowing unauthenticated clients to inject Camel control headers

Improper Input Validation vulnerability in Apache Camel Cometd Component. The camel-cometd component maps inbound Bayeux CometD message headers into the Camel Exchange without applying a HeaderFilterStrategy. CometdBinding.populateExchangeFromMessage copies the entire ext.CamelHeaders map supplie...

PT-2026-55889

Name of the Vulnerable Software and Affected Versions Apache Camel versions 4.0.0 through 4.14.7 Apache Camel versions 4.15.0 through 4.18.2 Apache Camel versions 4.19.0 through 4.20.9 Description Improper input validation in the Apache Camel Cometd component allows unauthenticated users to injec...

CVE-2026-46454: Improper Input Validation

Improper Input Validation vulnerability in Apache Camel Cometd Component. The camel-cometd component maps inbound Bayeux CometD message headers into the Camel Exchange without applying a HeaderFilterStrategy. CometdBinding.populateExchangeFromMessage copies the entire ext.CamelHeaders map supplie...

CVE-2025-53114

CometD is a scalable comet implementation for web messaging. In versions 5.0.0 through 5.0.22, 6.0.0 through 6.0.18, 7.0.0 through 7.0.18, and 8.0.0 through 8.0.8, bad clients that always send a fixed batch value when the server is using the acknowledgement extension may cause the unacknowledged...

CVE-2025-53114 CometD has acknowledgement extension out of memory

CometD is a scalable comet implementation for web messaging. In versions 5.0.0 through 5.0.22, 6.0.0 through 6.0.18, 7.0.0 through 7.0.18, and 8.0.0 through 8.0.8, bad clients that always send a fixed batch value when the server is using the acknowledgement extension may cause the unacknowledged...

CVE-2025-53114

Affected software: CometD server implementations. A vulnerability arises when clients consistently set ext.ack to 1 during /meta/connect while the acknowledgement extension is enabled, causing the unacknowledged message queue to grow without bound and potentially trigger OutOfMemoryError. Affecte...

EUVD-2025-210284

CometD is a scalable comet implementation for web messaging. In versions 5.0.0 through 5.0.22, 6.0.0 through 6.0.18, 7.0.0 through 7.0.18, and 8.0.0 through 8.0.8, bad clients that always send a fixed batch value when the server is using the acknowledgement extension may cause the unacknowledged...

CVE-2025-53114 CometD has acknowledgement extension out of memory

CometD is a scalable comet implementation for web messaging. In versions 5.0.0 through 5.0.22, 6.0.0 through 6.0.18, 7.0.0 through 7.0.18, and 8.0.0 through 8.0.8, bad clients that always send a fixed batch value when the server is using the acknowledgement extension may cause the unacknowledged...