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CVE-2026-59270 affects Spring Security's embedded UnboundID LDAP server, implemented by UnboundIdContainer. The component unconditionally registers an administrative LDAP credential and binds its listener to all available network interfaces. When the listener is reachable, a remote attacker can use the known administrative bind identity and registered credential to obtain administrative access to the in-memory directory. Affected applications use UnboundIdContainer directly or through Spring Boot's embedded LDAP auto-configuration. Affected releases are Spring Security 7.1.0, 7.0.0–7.0.6, 6.5.0–6.5.11, 6.4.0–6.4.18, 5.8.0–5.8.27, and 5.7.0–5.7.25.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
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21 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical vulnerability in Spring Security's embedded LDAP server exposes an administrative credential through a listener bound to all network interfaces. The reported CVSS v3 score is 9.1, indicating network-accessible exploitation without authentication or user interaction and high confidentiality and integrity impact. Listed affected versions are 7.1.0, 7.0.0–7.0.6, 6.5.0–6.5.11, 6.4.0–6.4.18, 5.8.0–5.8.27, and 5.7.0–5.7.25. The plugin recommends updating the Echo-packaged spring-security-ldap library and related packages to 6.5.10+echo.1 or later; its patch publication date is October 5, 2026.
A critical CVSS 9.4 exposure in Spring Security's embedded UnboundID LDAP server component, where UnboundIdContainer registers an administrative credential and listens on all network interfaces.
A Spring Security embedded UnboundID LDAP server (UnboundIdContainer) exposure issue in which an administrative credential is always registered and the LDAP listener binds to all available network interfaces, potentially exposing the embedded service and its administrative access to the network.
A critical network-exposed Spring Security embedded UnboundID LDAP server issue in which UnboundIdContainer registers an administrative credential and listens on all available network interfaces. The listed CVSS v3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.