CVE-2026-4096 MEDIUM

CVE-2026-4096: 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.

Vendor Ibm
Product DevOps Plan
Weakness CWE-644
Published June 11, 2026
Last update June 11, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

June 11, 2026 CVE published
June 11, 2026 Record updated