HTTP header injection in Apache Camel



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-29891
CWE-ID CWE-644
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Apache Camel
Server applications / Frameworks for developing and running applications

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Neutralization of HTTP Headers for Scripting Syntax

EUVDB-ID: #VU106090

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-29891

CWE-ID: CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to improper input validation when processing HTTP requests. A remote non-authenticated attacker can send a specially crafted HTTP request with an arbitrary Host header that will be accepted by the application.

Successful exploitation of the vulnerability may allow an attacker to perform cross-site scripting, cache poisoning or session hijacking attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Camel: 3.0.0 - 4.10.1

CPE2.3 External links

https://camel.apache.org/security/CVE-2025-29891.html
https://github.com/akamai/CVE-2025-27636-Apache-Camel-PoC
https://lists.apache.org/thread/808z2fwsn6z3gqhdos5s8z1rj432rgqq


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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