EUVD-2026-66846
GHSA-rhjh-84m4-5qg7
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Known admin credential plus all-interfaces bind gives network unauthenticated read/write of directory data (C:H/I:H); no availability impact and no scope change, matching the 9.1 base.
Primary rating from Vendor (vmware).
CVSS VectorNVD
Lifecycle Timeline
5DescriptionNVD
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
Articles & Coverage 1
AnalysisAI
Improper authorization in Spring Security's embedded UnboundID test LDAP server (UnboundIdContainer) exposes an administrative directory account to the network: the container unconditionally registers an admin credential and binds its listener to all local interfaces (0.0.0.0) rather than loopback. Affected releases span 5.7.0-5.7.25, 5.8.0-5.8.27, 6.4.0-6.4.18, 6.5.0-6.5.11, 7.0.0-7.0.6 and 7.1.0; any application that instantiates this container becomes reachable by remote unauthenticated clients that can then read and modify directory contents using the known admin bind. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target application actually instantiates Spring Security's UnboundIdContainer (the embedded UnboundID test LDAP server) and that the process is running on a host reachable at the LDAP listener port - because the listener binds to all interfaces, any client with network line-of-sight can connect, and because an administrative credential is registered unconditionally, no discovered secret or prior authentication is needed (PR:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/C:H/I:H/A:N = 9.1) reflects a network-reachable, low-complexity, unauthenticated read/write compromise of directory data, and SSVC marks the flaw Automatable=yes with partial technical impact, so a scanner-driven mass-exposure pattern is plausible where the component is used. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Patch available per vendor advisory: upgrade to the fixed maintenance release in your Spring Security stream as directed by the Spring advisory at https://spring.io/security/cve-2026-59270 (the specific fixed version numbers are not enumerated in the provided data, so confirm the exact patched release from that advisory before upgrading). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all applications using Spring Security versions 5.7.0-7.1.0 and verify whether the UnboundIdContainer test component is instantiated; immediately disable or remove it from any production or externally-accessible environment. …
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External POC / Exploit Code
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