CVE-2026-19646

IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.

  • Published Sep 10, 2026
  • CVSS 9.1 critical
  • 0.4% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-19646 at the National Vulnerability Database