Vulnerability · Published Aug 27, 2026 · Assigned by vmware
CVE-2026-59270Spring Security embedded UnboundID LDAP server exposes well-known administrative bind DN on all network interfaces
Critical 9.4
In plain English
A critical-severity security flaw in Spring Security from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)9.4Critical
Exploit odds (30 days)0.4%top 65.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Spring Security | 7.1.07.0.0 – through 7.0.66.5.0 – through 6.5.116.4.0 – through 6.4.185.8.0 – through 5.8.275.7.0 – through 5.7.25 |