Spring Security Vulnerable to Unauthorized User Impersonation when Using X.509 Client Certificates

In Spring Security Web, 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...

cc.chensoul.nacos:nacos-distribution (2.5.2), com.buession.security:buession-security-spring (>=3.0.0, <=3.0.1) +588 more potentially affected by CVE-2026-47838 via org.springframework.security:spring-security-web (>=5.8.0, <=5.8.16)

org.springframework.security:spring-security-web MAVEN version =5.8.0, =3.0.0, =3.0.0, =3.0.0, =3.0.0, =5.11.0, =5.11.0, =1.48.0, =1.48.0, =1.48.0, =2.4.0, =2.4.0, =2.4.0, =4.5.0, =4.5.0, =4.5.1 and more Source cves: CVE-2026-47838 Source advisory: OSV:GHSA-293Q-567P-WMWQ...

EUVD-2026-35911

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....

com.cloudseal.client:cloudseal-spring-extension (>=1.2.1, <=1.2.7), com.cloudseal.client:spring-example (>=1.2.1, <=1.2.7) +135 more potentially affected by CVE-2026-47838 via org.springframework.security:spring-security-web (3.1.3.release)

org.springframework.security:spring-security-web MAVEN version 3.1.3.release is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-web and may be impacted: - com.cloudseal.client:cloudseal-spring-extension =1.2.1,...

cc.chensoul.nacos:nacos-distribution (2.5.2), com.buession.security:buession-security-spring (>=3.0.0, <=3.0.1) +588 more potentially affected by CVE-2026-41706 via org.springframework.security:spring-security-web (>=5.8.0, <=5.8.16)

org.springframework.security:spring-security-web MAVEN version =5.8.0, =3.0.0, =3.0.0, =3.0.0, =3.0.0, =5.11.0, =5.11.0, =1.48.0, =1.48.0, =1.48.0, =2.4.0, =2.4.0, =2.4.0, =4.5.0, =4.5.0, =4.5.1 and more Source cves: CVE-2026-41706 Source advisory: GHSA-X2R2-RVHQ-2MQV...

EUVD-2026-35886

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...

EUVD-2026-35896

Spring Security's CookieRequestCache and CookieServerRequestCache store the pre-authentication request URL in a browser cookie so that users can be redirected back to their intended destination after a successful login. In affected versions, the full absolute URL is stored in the cookie and is us...

com.addc:addc-svr-mvc (>=2.6, <=2.9), com.addc:addc-web-mvc (>=2.6, <=2.9) +93 more potentially affected by CVE-2026-41706 via org.springframework.security:spring-security-web (4.2.12.release)

org.springframework.security:spring-security-web MAVEN version 4.2.12.release is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-web and may be impacted: - com.addc:addc-svr-mvc =2.6, =2.6, =2.6, =4.1.2, =4.1.2...

com.erudika:para-server (>=1.52.0, <=1.54.7), io.orqueio.bpm.springboot:orqueio-bpm-spring-boot-starter-security (>=2.0.1, <=2.0.7) +3 more potentially affected by CVE-2026-41003 via org.springframework.security:spring-security-saml2-service-provider (>=7.0.0, <=7.0.5)

org.springframework.security:spring-security-saml2-service-provider MAVEN version =7.0.0, =1.52.0, =2.0.1, =4.0.0, =4.0.0, =4.0.0, =4.0.6 Source cves: CVE-2026-41003 Source advisory: GHSA-3PJJ-QPW6-5FCM...

GHSA-M69X-PW9P-7J3Q Spring Security SAML2 Service Provider: Unbounded writer inflates the compressed SAML payload into memory (DoS)

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;...

GHSA-X2R2-RVHQ-2MQV Spring Security: Open Redirect via Unvalidated Post-Login Redirect URL Stored in CookieRequestCache

Spring Security's CookieRequestCache and CookieServerRequestCache store the pre-authentication request URL in a browser cookie so that users can be redirected back to their intended destination after a successful login. In affected versions, the full absolute URL is stored in the cookie and is us...

com.wavemaker.runtime:wavemaker-app-runtime-core (>=11.3.0, <=11.8.5.ee), io.github.grails-spring-security-saml:spring-security-saml (>=6.0.9, <=6.0.10) +4 more potentially affected by CVE-2026-41003 via org.springframework.security:spring-security-saml2-service-provider (>=5.8.0, <=5.8.16)

org.springframework.security:spring-security-saml2-service-provider MAVEN version =5.8.0, =11.3.0, =6.0.9, =1.19.1, =1.19.1, =5.26.4, =5.26.4, =5.27.15 Source cves: CVE-2026-41003 Source advisory: OSV:GHSA-3PJJ-QPW6-5FCM...

com.auth0:spring-security-auth0 (0.2), com.brienwheeler.web:web-spring-security (>=1.0-release, <=1.11) +34 more potentially affected by CVE-2026-41706 via org.springframework.security:spring-security-web (3.2.4.release)

org.springframework.security:spring-security-web MAVEN version 3.2.4.release is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-web and may be impacted: - com.auth0:spring-security-auth0 0.2 -...

com.trigyn:java-web-starter (>=1.6.0, <=2.1), com.wavemaker.runtime:wavemaker-app-runtime-core (>=11.9.0, <=11.9.5.ee) +22 more potentially affected by CVE-2026-41003 via org.springframework.security:spring-security-saml2-service-provider (>=6.3.1, <=6.3.6)

org.springframework.security:spring-security-saml2-service-provider MAVEN version =6.3.1, =1.6.0, =11.9.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =2.0.0-m4, =2.0.0-m4, =2.0.0-m4, =2.0.0-m4, =2.0.0-m4, =2.0.0-m4, =2.0.0-m4, =2.0.0 and more Source cves: CVE-2026-41003 Source advisory:...

org.springframework.security:spring-security-cas (4.2.14.release), org.springframework.security:spring-security-openid (4.2.14.release) +2 more potentially affected by CVE-2026-41706 via org.springframework.security:spring-security-web (4.2.14.release)

org.springframework.security:spring-security-web MAVEN version 4.2.14.release is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-web and may be impacted: - org.springframework.security:spring-security-cas...

com.wavemaker.runtime:wavemaker-app-runtime-core (>=11.3.0, <=11.8.5.ee), io.github.grails-spring-security-saml:spring-security-saml (>=6.0.9, <=6.0.10) +4 more potentially affected by CVE-2026-41694 via org.springframework.security:spring-security-saml2-service-provider (>=5.8.0, <=5.8.16)

org.springframework.security:spring-security-saml2-service-provider MAVEN version =5.8.0, =11.3.0, =6.0.9, =1.19.1, =1.19.1, =5.26.4, =5.26.4, =5.27.15 Source cves: CVE-2026-41694 Source advisory: OSV:GHSA-WW38-37G9-M3Q3...

be.looorent:spring-security-jwt (>=0.1, <=0.8), br.jus.stf.digital:core (0.1.0) +48 more potentially affected by CVE-2026-41706 via org.springframework.security:spring-security-web (4.1.1.release)

org.springframework.security:spring-security-web MAVEN version 4.1.1.release is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-web and may be impacted: - be.looorent:spring-security-jwt =0.1, =1.0.0-rc, =0.5.0...

ai.foremast.metrics:foremast-spring-boot-15x-starter (>=0.1.10, <=0.1.11), ch.sharedvd.tipi:tipi-engine (>=1.1.10, <=1.1.11) +138 more potentially affected by CVE-2026-41706 via org.springframework.security:spring-security-web (4.2.7.release)

org.springframework.security:spring-security-web MAVEN version 4.2.7.release is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-web and may be impacted: - ai.foremast.metrics:foremast-spring-boot-15x-starter...

com.capitalone.dashboard:api (>=3.3.0, <=3.4.52), com.capitalone.dashboard:api-audit (>=3.5.1, <=3.7.33) +71 more potentially affected by CVE-2026-41706 via org.springframework.security:spring-security-web (4.2.18.release)

org.springframework.security:spring-security-web MAVEN version 4.2.18.release is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-web and may be impacted: - com.capitalone.dashboard:api =3.3.0, =3.5.1, =3.2.0,...

be.dnsbelgium:rdap-server (>=0.3.3, <=1.0.3), com.github.yongjacky:jee.borneo.miri (1.1.6) +82 more potentially affected by CVE-2026-41706 via org.springframework.security:spring-security-web (3.1.4.release)

org.springframework.security:spring-security-web MAVEN version 3.1.4.release is affected by a known vulnerability. The following packages have a transitive dependency on org.springframework.security:spring-security-web and may be impacted: - be.dnsbelgium:rdap-server =0.3.3, =1.6-2, =1.6.0, =1.6....