Input validation error in Apache Neethi - CVE-2026-42403
Published: August 25, 2026
Vulnerability identifier: #VU145296
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42403
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the policy normalization process when parsing WS-Policy documents containing circular policy references. A remote attacker can supply a specially crafted policy document to cause a denial of service.
The issue can result in an infinite loop, excessive recursion, a stack overflow, or an application hang.
Affected software
Apache Neethi
Red Hat Camel for Spring Boot
Red Hat Camel for Spring Boot
How to mitigate CVE-2026-42403
Install security update from vendor's website.
Apache Neethi - update to 3.2.2
Red Hat Camel for Spring Boot - update to 4.14
Red Hat Camel for Spring Boot - update to 4.14