CVE-2026-40453

Case-Variant Camel Header Injection Reproducer CVE-2026-40453 This project demonstrates CVE-2026-40453 — an incomplete fix for CVE-2025-27636. The 2025 fix added setLowerCasetrue to HttpHeaderFilterStrategy so that case-variant header names e.g. CAmelExecCommandExecutable are filtered alongside t...

PT-2026-85480

SiYuan versions before v3.8.2 contain a path guard bypass vulnerability in the MCP file-access handler that uses case-sensitive matching on Linux filesystems. Attackers can read the protected publishAccess.json file by requesting case-variant paths like PublishAccess.json to disclose sensitive...

CVE-2026-72835 filebrowser before v2.63.21 Access Rule Bypass via Path Canonicalization

filebrowser versions before v2.63.21 fail to canonicalize paths before evaluating access rules, allowing authenticated users to bypass administrator-defined deny rules using case-variant or backslash-separated paths. Attackers can request files with alternate path representations that match no ru...

Exploit for Improper Handling of Case Sensitivity in Apache Camel

Case-Variant Camel Header Injection Reproducer CVE-2026-40453...

Apache Camel: org.apache.camel: Apache Camel: Remote Code Execution and Arbitrary File Write via case-variant header injection

A flaw was found in Apache Camel. A remote attacker with Java Message Service JMS producer access could exploit a vulnerability in how certain header filter strategies process case-variant internal headers. This discrepancy, where filtering is case-sensitive but header processing is not, allows f...

Apache Camel: org.apache.camel: Apache Camel: Remote Code Execution and Arbitrary File Write via case-variant header injection

A flaw was found in Apache Camel. A remote attacker with Java Message Service JMS producer access could exploit a vulnerability in how certain header filter strategies process case-variant internal headers. This discrepancy, where filtering is case-sensitive but header processing is not, allows f...

Apache Camel has an incomplete fix for CVE-2025-27636

The fix for CVE-2025-27636 added setLowerCasetrue to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'. The same setLowerCasetrue call was not applied to five non-HTTP HeaderFilterStrategy...

GHSA-JG2M-9X48-3GVJ Apache Camel has an incomplete fix for CVE-2025-27636

The fix for CVE-2025-27636 added setLowerCasetrue to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'. The same setLowerCasetrue call was not applied to five non-HTTP HeaderFilterStrategy...

CVE-2026-40453

The fix for CVE-2025-27636 added setLowerCasetrue to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'. The same setLowerCasetrue call was not applied to five non-HTTP HeaderFilterStrategy...

CVE-2026-40453 Apache Camel JMS, Apache Camel CoAP, Apache Camel Google PubSub: Incomplete fix for CVE-2025-27636 in non-HTTP HeaderFilterStrategies (camel-jms, camel-sjms, camel-coap, camel-google-pubsub) allows case-variant header injection

The fix for CVE-2025-27636 added setLowerCasetrue to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'. The same setLowerCasetrue call was not applied to five non-HTTP HeaderFilterStrategy...

CVE-2026-40453 Apache Camel JMS, Apache Camel CoAP, Apache Camel Google PubSub: Incomplete fix for CVE-2025-27636 in non-HTTP HeaderFilterStrategies (camel-jms, camel-sjms, camel-coap, camel-google-pubsub) allows case-variant header injection

The fix for CVE-2025-27636 added setLowerCasetrue to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'. The same setLowerCasetrue call was not applied to five non-HTTP HeaderFilterStrategy...

CVE-2026-40453

Apache Camel contains an incomplete fix for CVE-2025-27636 affecting the camel-jms, camel-sjms, camel-coap, and camel-google-pubsub components. Specifically, the JmsHeaderFilterStrategy, ClassicJmsHeaderFilterStrategy, SjmsHeaderFilterStrategy, CoAPHeaderFilterStrategy, and GooglePubsubHeaderFilt...

SUSE CVE-2026-1525

Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted: Applications using...

Improper Handling of Case Sensitivity

Overview prompts.chat is a Developer toolkit for AI prompts - build, validate, parse, and connect to prompts.chat Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity due to inconsistent case-sensitive and case-insensitive handling of usernames across write an...

CVE-2026-22665

prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit...

CVE-2026-22665

CVE-2026-22665 affects prompts.chat prior to commit 1464475. The root cause is inconsistent handling of usernames across write and read paths, mixing case-sensitive and case-insensitive comparisons. This identity confusion allows creation of case-variant usernames that bypass uniqueness checks, e...

PT-2026-30229

Name of the Vulnerable Software and Affected Versions prompts.chat versions prior to commit 1464475 Description prompts.chat is susceptible to an identity confusion issue stemming from inconsistent case sensitivity in username handling during write and read operations. This allows attackers to...

EUVD-2026-11685

Undici has an HTTP Request/Response Smuggling issue...

GHSA-2MJP-6Q6P-2QXM Undici has an HTTP Request/Response Smuggling issue

Impact Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted: - Applications usi...

DEBIAN-CVE-2026-1525

Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted: Applications...