CVE-2026-59354 Spring Security OAuth2 Authorization Server: Insufficient validation of Dynamic Client Registration metadata

In versions of Spring Security's OAuth2 Authorization Server module 7.0.0 through 7.0.4, when Dynamic Client Registration is explicitly enabled, the registration endpoint performs insufficient validation of certain client metadata fields supplied by the registering client. An attacker who possess...

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...

CVE-2026-47877

Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6...

com.erudika:para-server (>=1.55.0, <=1.55.2), com.kerb4j:kerb4j-server-spring-security-ldap (>=0.5.0, <=0.5.1) +17 more potentially affected by CVE-2026-59270 via org.springframework.security:spring-security-ldap (7.1.0)

org.springframework.security:spring-security-ldap MAVEN version 7.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-ldap and may be impacted: - com.erudika:para-server =1.55.0, =0.5.0, =7.0.1, =7.0.1,...

EUVD-2026-66846

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...

CVE-2026-59270

Spring Security's embedded UnboundID LDAP server (UnboundIdContainer) unconditionally registers a well-known administrative bind DN and binds its listener to all available network interfaces , exposing the credential to any network-reachable host. This affects Spring Security 5.7.0 through 7.1.0 ...

CVE-2026-59270 Spring Security embedded UnboundID LDAP server exposes well-known administrative bind DN on all network interfaces

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...

CVE-2026-59270 Spring Security embedded UnboundID LDAP server exposes well-known administrative bind DN on all network interfaces

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...

CVE-2026-59270 Spring Security embedded UnboundID LDAP server exposes well-known administrative bind DN on all network interfaces

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...

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...

CVE-2026-47877

Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6...

CVE-2026-47877 Spring Security Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)

Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6...

CVE-2026-47877 Spring Security Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)

Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6...

CVE-2026-47877 Spring Security Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)

Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6...

EUVD-2026-66840

Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6...

CVE-2026-47877

Spring Security Authorization Server is vulnerable to Cross-Site Scripting (XSS) in its default consent page, which renders user-controlled values without HTML entity encoding. The flaw allows an attacker to inject scripts via crafted input reflected on the consent page, requiring user interactio...

PT-2026-82446

Name of the Vulnerable Software and Affected Versions Spring Security OAuth2 Authorization Server versions 7.0.0 through 7.0.4 Description When Dynamic Client Registration is enabled, the registration endpoint does not sufficiently validate certain client metadata fields provided by the registeri...

PT-2026-82396

Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6...

CVE-2026-59354: Improper Input Validation

In versions of Spring Security's OAuth2 Authorization Server module 7.0.0 through 7.0.4, when Dynamic Client Registration is explicitly enabled, the registration endpoint performs insufficient validation of certain client metadata fields supplied by the registering client. An attacker who possess...

A Bootiful Podcast: Joe Grandja on Spring Authorization Server, OAuth, and so much more

Hi, Spring fans! In this episode, I talk Spring Security’s Joe Grandja about Spring Authorization Server’s graduation into Spring Security 7, and the new security heavyweights DPoP and PAR...