CVE-2026-11381

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.

  • Published Sep 18, 2026
  • CVSS 8.8 high
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-11381 at the National Vulnerability Database