CVE-2026-49042: Apache Camel: langchain4j-tools: filter tool argument headers against declared parameters

[Federico Mariani <fmariani () apache org>]

Severity: moderate 

Affected versions:

- Apache Camel 4.8.0 through 4.18.2
- Apache Camel 4.19.0 through 4.20.0

Description:

Improper Input Validation vulnerability in Apache Camel.

This issue affects Apache Camel: from 4.8.0 through 4.18.2, from 4.19.0 through 4.20.0.

Users are recommended to upgrade to version 4.18.3, 4.21.0, which fixes the issue.

Credit:

Yu Bao - yubao () paypal com, who works for paypal.com. (reporter)

References:

https://camel.apache.org/security/CVE-2026-49042.html
https://camel.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-49042