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

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-06 · updated 2026-10-25
Weakness: CWE-20

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.

Affected products

Apache Software Foundation Apache Camel: from 4.8.0 before 4.18.3; from 4.19.0 before 4.21.0 — fixed in 4.18.3, 4.21.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Camel 4.18.3, 4.21.0. Check the vendor advisory for mitigations.

References

https://camel.apache.org/security/CVE-2026-49042.html
http://www.openwall.com/lists/oss-security/2026/07/06/17

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