CVE-2026-18251

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information due to improper validation of the WebSocket origin.

  • Published Sep 14, 2026
  • CVSS 4.3 medium
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-18251 at the National Vulnerability Database