CVE-2026-49042

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

7.3 HighPublic exploitFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.69%Up 0.5 points since Jul 7, 2026

What each source reports

CVE List Score used 7.3

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

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.

Record: CVE-2026-49042
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-20
Updated: 2026-11-02

EUVDEUVD-2026-41864 7.3

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.

Record: EUVD-2026-41864
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hh8r-75r6-qrg9 7.3

Apache Camel-Langchain4j-Tools: Tool argument headers are not filtered against declared parameters

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.

Record: GHSA-hh8r-75r6-qrg9
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-20
Updated: 2026-11-02

NVD 7.3

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.

Record: CVE-2026-49042
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-20
Updated: 2026-11-02

OSV 7.3

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

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.

Record: CVE-2026-49042
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-20
Updated: 2026-11-02

OSVGHSA-hh8r-75r6-qrg9 7.3

Apache Camel-Langchain4j-Tools: Tool argument headers are not filtered against declared parameters

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.

Record: GHSA-hh8r-75r6-qrg9
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-20
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.apache.camel:camel-langchain4j-tools` Maven	4.8.0 up to 4.18.3	4.18.3
`org.apache.camel:camel-langchain4j-tools` Maven	4.19.0 up to 4.21.0	4.21.0
`org.apache.camel:camel-langchain4j-agent` Maven	4.8.0 up to 4.18.3	4.18.3
`org.apache.camel:camel-langchain4j-agent` Maven	4.19.0 up to 4.21.0	4.21.0
`org.apache.camel:camel-spring-ai-tools` Maven	4.8.0 up to 4.18.3	4.18.3
`org.apache.camel:camel-spring-ai-tools` Maven	4.19.0 up to 4.21.0	4.21.0
`org.apache.camel:camel-langchain4j-tools` Maven	4.8.0 up to 4.18.3, plus listed versions 4.10.04.10.14.10.24.10.34.10.4 Show 34 moreShow less 4.10.54.10.64.10.74.10.84.10.94.11.04.12.04.13.04.14.04.14.14.14.24.14.34.14.44.14.54.14.64.14.74.14.84.14.94.15.04.16.04.17.04.18.04.18.14.18.24.8.14.8.24.8.34.8.44.8.54.8.64.8.74.8.84.8.94.9.0	4.18.3
`org.apache.camel:camel-langchain4j-tools` Maven	4.19.0 up to 4.21.0, plus listed versions 4.20.0	4.21.0
`org.apache.camel:camel-langchain4j-agent` Maven	4.8.0 up to 4.18.3, plus listed versions 4.14.04.14.14.14.24.14.34.14.4 Show 11 moreShow less 4.14.54.14.64.14.74.14.84.14.94.15.04.16.04.17.04.18.04.18.14.18.2	4.18.3
`org.apache.camel:camel-langchain4j-agent` Maven	4.19.0 up to 4.21.0, plus listed versions 4.20.0	4.21.0
`org.apache.camel:camel-spring-ai-tools` Maven	4.8.0 up to 4.18.3, plus listed versions 4.17.04.18.04.18.14.18.2	4.18.3
`org.apache.camel:camel-spring-ai-tools` Maven	4.19.0 up to 4.21.0, plus listed versions 4.20.0	4.21.0

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	oscerd/CVE-2026-49042	2026-07-20

History

History
Recorded	Changed	Sources
Nov 2, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-49042 is a high vulnerability (CVSS 7.3) in Apache Camel, published July 6, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 52nd percentile. Fixed in org.apache.camel:camel-langchain4j-tools 4.18.3.

References

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