PT-2026-76011

Since Spring Security SAML decrypts SAML Responses as well as elements of SAML LogoutRequests and LogoutResponses without requiring a valid signature, attackers may be able to craft these SAML payloads and use the Service Provider as a decryption oracle. Affected versions: Spring Security 5.7.0...

CVE-2026-47838: Improper Authentication

SubjectDnX509PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. Affected versions: Spring Security 5.7....

PT-2026-75916

An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository saml2 asserting party metadata may be able to store malicious serialized payloads in the columns containing the collection of verification or encryption credentials verification credentials an...

CVE-2026-41008: URL Redirection to Untrusted Site

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...

VMware Spring Security和Spring Authorization Server 输入验证错误漏洞

VMware Spring Security and Spring Authorization Server are both products of the American company VMware. VMware Spring Security is a security framework designed to provide descriptive security protections for Spring-based applications. Spring Authorization Server is a framework used to build secu...

PT-2026-75927

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

CVE-2026-40993: Deserialization of Untrusted Data

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: Uncontrolled Resource Consumption

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;...

at.aimon.ops:aimon-ops-api (>=0.0.1, <=0.0.2), au.com.versent.jenkins.plugins:ignore-committer-strategy (>=55.v51410e712e0c, <=63.v7e87d06b_a_30c) +2284 more potentially affected by CVE-2026-47838 via org.springframework.security:spring-security-web (>=6.4.0, <=6.4.13)

org.springframework.security:spring-security-web MAVEN version =6.4.0, =0.0.1, =55.v51410e712e0c, =1.0.1, =1.0.2, =1.0.4, =1.0.2, =1.0.16, =1.0.2, =1.0.4, =1.0.18 - cc.zzzyu.nacos:nacos-ai 3.1.1 - cc.zzzyu.nacos:nacos-cmdb 3.1.1 - cc.zzzyu.nacos:nacos-config 3.1.1 - cc.zzzyu.nacos:nacos-console...

ai.langsa:ccaas-starter (>=cloud-0.1, <=0.6), ai.langsa:pom-ccaas-langsa (0.1) +2276 more potentially affected by CVE-2026-47838 via org.springframework.security:spring-security-web (>=6.3.0, <=6.3.10)

org.springframework.security:spring-security-web MAVEN version =6.3.0, =cloud-0.1, =1.3.0, =1.0.0, =1.2.1 and more Source cves: CVE-2026-47838 Source advisory: MEND:CVE-2026-47838...

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

SubjectDnX509PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. Affected versions: Spring Security 5.7....

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

SubjectDnX509PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. Affected versions: Spring Security 5.7....

ai.mindconnect:mc-agent-admin-ui-app (>=0.0.2, <=0.8.4), ai.mindconnect:mc-agent-admin-ui-rest (>=0.0.2, <=0.8.4) +2774 more potentially affected by CVE-2026-47838 via org.springframework.security:spring-security-web (>=6.5.0, <=6.5.10)

org.springframework.security:spring-security-web MAVEN version =6.5.0, =0.0.2, =0.0.2, =0.8.1, =0.0.3, =0.8.1, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040,...

ai.langsa:ccaas-starter (>=cloud-0.1, <=0.6), ai.langsa:pom-ccaas-langsa (0.1) +1390 more potentially affected by CVE-2026-47838 via org.springframework.security:spring-security-config (>=6.3.0, <=6.3.10)

org.springframework.security:spring-security-config MAVEN version =6.3.0, =cloud-0.1, =1.3.0, =1.0.0, =1.2.1 and more Source cves: CVE-2026-47838 Source advisory: MEND:CVE-2026-47838...

CVE-2026-47838

Spring Security CVE-2026-47838 involves the SubjectDnX509PrincipalExtractor and malformed X.509 CN values, causing the extracted username to be read incorrectly and potentially allowing an attacker to impersonate another user. Affected versions include Spring Security 5.7.0–5.7.24; 5.8.0–5.8.26; ...

ai.mindconnect:mc-agent-admin-ui-app (>=0.0.2, <=0.8.4), ai.mindconnect:mc-agent-admin-ui-rest (>=0.0.2, <=0.8.4) +2107 more potentially affected by CVE-2026-47838 via org.springframework.security:spring-security-config (>=6.5.0, <=6.5.10)

org.springframework.security:spring-security-config MAVEN version =6.5.0, =0.0.2, =0.0.2, =0.8.1, =0.0.3, =0.8.1, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040,...

CVE-2026-47838

SubjectDnX509PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user. Affected versions: Spring Security 5.7....

at.aimon.ops:aimon-ops-api (>=0.0.1, <=0.0.2), br.com.consultdg:database-module (>=1.0.1, <=1.0.10) +1789 more potentially affected by CVE-2026-47838 via org.springframework.security:spring-security-config (>=6.4.0, <=6.4.13)

org.springframework.security:spring-security-config MAVEN version =6.4.0, =0.0.1, =1.0.1, =1.0.2, =1.0.4, =1.0.2, =1.0.16, =1.0.2, =1.0.4, =1.0.18 - cc.zzzyu.nacos:nacos-ai 3.1.1 - cc.zzzyu.nacos:nacos-cmdb 3.1.1 - cc.zzzyu.nacos:nacos-config 3.1.1 - cc.zzzyu.nacos:nacos-console 3.1.1 -...

au.csiro.pathling:fhir-server (>=5.3.1, <=6.4.2), au.org.consumerdatastandards:data-holder (>=2.3.0, <=2.4.1) +2342 more potentially affected by CVE-2026-47838 via org.springframework.security:spring-security-web (>=5.7.0, <=5.7.14)

org.springframework.security:spring-security-web MAVEN version =5.7.0, =5.3.1, =2.3.0, =2.4.1 - au.org.consumerdatastandards:mock-data-holder-java 2.6.0 - br.com.m4rc310:br-com-m4rc310-graphql 1.0.1 - br.com.m4rc310:br-com-m4rc310-libs 1.0.1 - br.com.m4rc310:br-com-m4rc310-starter 1.0.1 -...

ai.mindconnect:mc-agent-admin-ui-app (>=0.0.2, <=0.8.4), ai.mindconnect:mc-agent-admin-ui-rest (>=0.0.2, <=0.8.4) +2774 more potentially affected by CVE-2026-41706 via org.springframework.security:spring-security-web (>=6.5.0, <=6.5.10)

org.springframework.security:spring-security-web MAVEN version =6.5.0, =0.0.2, =0.0.2, =0.8.1, =0.0.3, =0.8.1, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040, =1.0.0.ee-20260424025040,...