Quick answers
- Is CVE-2026-4096 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-4096 being exploited in the wild.
- How severe is CVE-2026-4096?
- Medium severity, with a CVSS score of 6.5, published 11 June 2026.
- Which products and versions are affected?
- IBM DevOps Plan 3.0.0 - 3.0.6.
- Is there a fix for CVE-2026-4096?
- A patch was published on 2026-06-03: Version 3.0.7 released to address the vulnerability Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-4096 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-4096?
- Check whether you run IBM DevOps Plan at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
IBM DevOps Plan versions 3.0.0 through 3.0.6 are vulnerable to Host Header Injection (CWE-644). The vulnerability exists because the application fails to properly neutralize or validate the 'Host' header in incoming HTTP requests. A remote, unauthenticated attacker can exploit this by sending a specially crafted HTTP request with a malicious Host header. Successful exploitation can lead to several secondary attacks, including web cache poisoning, password reset poisoning, or cross-site scripting (XSS) if the header is reflected in the response. IBM has released version 3.0.7 to address this issue.
Affected products
- IBM DevOps Plan 3.0.0 - 3.0.6
Timeline
- 2026-06-03: advisory: Initial publication by IBM
- 2026-06-03: patched: Version 3.0.7 released to address the vulnerability
- 2026-06-11: disclosed: NVD publication date