Vulnerability · Published Jun 11, 2026 · Assigned by ibm
CVE-2026-4096A 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.
Medium 6.5
In plain English
A medium-severity security flaw in DevOps Plan from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.1%top 95.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | DevOps Plan | 3.0.0 – through 3.0.6 |
Weakness: CWE-644 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://www.ibm.com/support/pages/node/7275005 vendor-advisory, patch