CVE-2019-4186: IBM Jazz For Service Management

Medium severity, CVSS 6.1. EPSS: 1.6% chance of exploitation in the next 30 days.

IBM Jazz for Service Management 1.1.3 is vulnerable to HTTP header injection, caused by incorrect trust in the HTTP Host header during caching. By sending a specially crafted HTTP GET request, a remote attacker could exploit this vulnerability to inject arbitrary HTTP headers, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-force ID: 158976.

Affected products

  • IBM Jazz For Service Management: version 1.1.3 only

Published 2019-09-05. Last modified 2026-06-17.