CVE-2026-59270: VMware Spring Security

Critical severity, CVSS 9.1. EPSS: 0.4% chance of exploitation in the next 30 days.

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

Affected products

• VMware Spring Security: from 5.7.0, before 5.7.26 (fixed in 5.7.26); from 5.8.0, before 5.8.28 (fixed in 5.8.28); from 6.4.0, before 6.4.19 (fixed in 6.4.19); from 6.5.0, before 6.5.12 (fixed in 6.5.12); from 7.0.0, before 7.0.6.1 (fixed in 7.0.6.1); from 7.1.0, before 7.1.0.1 (fixed in 7.1.0.1)

Published 2026-08-27. Last modified 2026-09-01.