IBM DevOps Plan 3.0.0-3.0.6 HTTP Header Injection (HOST)
CVE-2026-4096 Published on June 11, 2026
A vulnerability has been identified in IBM DevOps Plan that allows a Host Header Injection attack due to improper handling of the Host header in HTTP requests.
IBM DevOps Plan 3.0.0 through 3.0.6 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking
Vulnerability Analysis
CVE-2026-4096 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Improper Neutralization of HTTP Headers for Scripting Syntax
The application does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web browser components that can process raw headers, such as Flash.
Products Associated with CVE-2026-4096
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Affected Versions
IBM DevOps Plan:- Version 3.0.0, <= 3.0.6 is affected.