CVE-2026-41008 Spring Security Authorization Server Open Redirect via request_uri

Spring Security Authorization Server's authorization endpoint performs insufficient validation of the requesturi parameter. An attacker can craft a malicious authorization request containing an invalid requesturi and an arbitrary, unvalidated redirecturi, which can lead to an Open Redirect...

CVE-2026-41008 Spring Security Authorization Server Open Redirect via request_uri

Spring Security Authorization Server's authorization endpoint performs insufficient validation of the requesturi parameter. An attacker can craft a malicious authorization request containing an invalid requesturi and an arbitrary, unvalidated redirecturi, which can lead to an Open Redirect...

CVE-2026-41008 Spring Security Authorization Server Open Redirect via request_uri

Spring Security Authorization Server's authorization endpoint performs insufficient validation of the requesturi parameter. An attacker can craft a malicious authorization request containing an invalid requesturi and an arbitrary, unvalidated redirecturi, which can lead to an Open Redirect...

CVE-2026-41003 Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting

An attacker able to influence values in RelyingPartyRegistration may be able to run arbitrary code on HTML forms generated by Spring Security filters. Affected versions: Spring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10;...

CVE-2026-41003 Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting

An attacker able to influence values in RelyingPartyRegistration may be able to run arbitrary code on HTML forms generated by Spring Security filters. Affected versions: Spring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10;...

CVE-2026-41003 Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting

An attacker able to influence values in RelyingPartyRegistration may be able to run arbitrary code on HTML forms generated by Spring Security filters. Affected versions: Spring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10;...

CVE-2026-40993 Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry

An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository saml2assertingpartymetadata may be able to store malicious serialized payloads in the columns containing the collection of verification or encryption credentials verificationcredentials and...

CVE-2026-40993 Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry

An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository saml2assertingpartymetadata may be able to store malicious serialized payloads in the columns containing the collection of verification or encryption credentials verificationcredentials and...

CVE-2026-40988 Unbounded DEFLATE Inflation in SAML 2.0 Service Provider

An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory. Affected versions: Spring Security 5.7.0 through 5.7.23;...

CVE-2026-40988 Unbounded DEFLATE Inflation in SAML 2.0 Service Provider

An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory. Affected versions: Spring Security 5.7.0 through 5.7.23;...

cve-2026-41003 - HIGH - Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting

cve-2026-41003 - HIGH - Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting...

cve-2026-41694 - LOW - SAML Payloads Decrypted Without Valid Signature

cve-2026-41694 - LOW - SAML Payloads Decrypted Without Valid Signature...

cve-2026-41008 - MEDIUM - Spring Security Authorization Server Open Redirect via request_uri

cve-2026-41008 - MEDIUM - Spring Security Authorization Server Open Redirect via requesturi...

PT-2026-48307

Name of the Vulnerable Software and Affected Versions Spring Security versions 7.0.0 through 7.0.5 Description An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository saml2 asserting party metadata can store malicious serialized payloads. This occu...

PT-2026-48309

Name of the Vulnerable Software and Affected Versions Spring Security versions 7.0.0 through 7.0.5 Spring Authorization Server versions 1.5.0 through 1.5.7 Description The authorization endpoint performs insufficient validation of the request uri parameter. An attacker can craft a malicious...

PT-2026-48315

Name of the Vulnerable Software and Affected Versions Spring Security versions 5.7.0 through 5.7.23 Spring Security versions 5.8.0 through 5.8.25 Spring Security versions 6.3.0 through 6.3.16 Spring Security versions 6.4.0 through 6.4.16 Spring Security versions 6.5.0 through 6.5.10 Spring Securi...

cve-2026-47838 - MEDIUM - Unauthorized User Impersonation when Using X.509 Client Certificates

cve-2026-47838 - MEDIUM - Unauthorized User Impersonation when Using X.509 Client Certificates...

User Impersonation

Overview org.springframework.security:spring-security-config is a security configuration package for Spring Framework. Affected versions of this package are vulnerable to User Impersonation via username extraction in SubjectDnX509PrincipalExtractor. An attacker can impersonate another user by...

cve-2026-41706 - MEDIUM - Open Redirect When Using CookieRequestCache

cve-2026-41706 - MEDIUM - Open Redirect When Using CookieRequestCache...

PT-2026-48305

Name of the Vulnerable Software and Affected Versions Spring Security versions 5.7.0 through 5.7.23 Spring Security versions 5.8.0 through 5.8.25 Spring Security versions 6.3.0 through 6.3.16 Spring Security versions 6.4.0 through 6.4.16 Spring Security versions 6.5.0 through 6.5.10 Spring Securi...