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.
CVE-2026-4096

6.5MEDIUM

Key Information:

Vendor

IBM
Status
Devops Plan
Vendor
CVE Published:
11 June 2026

What is CVE-2026-4096?

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

Affected Version(s)

DevOps Plan 3.0.0 <= 3.0.6

References

https://www.ibm.com/support/pages/node/7275005
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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