CVE-2026-59270

Spring Security's embedded UnboundID LDAP server (UnboundIdContainer) unconditionally registers an administrative credential and binds its listener to all available network interfaces. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18 Spring Security 5.8.0 - 5.8.27 Spring Security 5.7.0 - 5.7.25

  • Published Aug 27, 2026
  • CVSS 9.1 critical
  • 0.4% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-59270 at the National Vulnerability Database