CVE-2026-4096 PUBLISHED

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.

Assigner: ibm
Reserved: 12.03.2026 Published: 11.06.2026 Updated: 11.06.2026

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

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	IBM
Product	DevOps Plan
Versions	affected from 3.0.0 to 3.0.6 (incl.)

Solutions

To mitigate the issue please upgrade to IBM DevOps Plan v3.0.7 https://www.ibm.com/support/pages/devops-plan-307

References

https://www.ibm.com/support/pages/node/7275005

Problem Types

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