CVE-2024-38821: Spring Security vulnerable to Authorization Bypass of Static Resources in WebFlux Applications
Spring WebFlux applications that have Spring Security authorization rules on static resources can be bypassed under certain circumstances. For this to impact an application, all of the following must be true: It must be a WebFlux application It must be using Spring's static resources support It must have a non-permitAll authorization rule applied to the static resources support
Published Oct 28, 2024 · Updated Aug 31, 2026
Affected packages
org.springframework.security:spring-security-web
- Ecosystem
- Maven
- Affected
- >= 5.8.0, < 5.8.15
- Fixed in
- 5.8.15
- Check
mvn dependency:tree -Dincludes=org.springframework.security:spring-security-web
org.springframework.security:spring-security-web
- Ecosystem
- Maven
- Affected
- >= 6.2.0, < 6.2.7
- Fixed in
- 6.2.7
- Check
mvn dependency:tree -Dincludes=org.springframework.security:spring-security-web
org.springframework.security:spring-security-web
- Ecosystem
- Maven
- Affected
- >= 6.0.0, < 6.0.13
- Fixed in
- 6.0.13
- Check
mvn dependency:tree -Dincludes=org.springframework.security:spring-security-web
org.springframework.security:spring-security-web
- Ecosystem
- Maven
- Affected
- >= 6.1.0, < 6.1.11
- Fixed in
- 6.1.11
- Check
mvn dependency:tree -Dincludes=org.springframework.security:spring-security-web
org.springframework.security:spring-security-web
- Ecosystem
- Maven
- Affected
- >= 6.3.0, < 6.3.4
- Fixed in
- 6.3.4
- Check
mvn dependency:tree -Dincludes=org.springframework.security:spring-security-web
org.springframework.security:spring-security-web
- Ecosystem
- Maven
- Affected
- >= 5.0.0, < 5.7.13
- Fixed in
- 5.7.13
- Check
mvn dependency:tree -Dincludes=org.springframework.security:spring-security-web
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
Spring WebFlux applications that have Spring Security authorization rules on static resources can be bypassed under certain circumstances.
For this to impact an application, all of the following must be true:
- It must be a WebFlux application
- It must be using Spring's static resources support
- It must have a non-permitAll authorization rule applied to the static resources support
Credited to sealbenb.
References
- https://nvd.nist.gov/vuln/detail/CVE-2024-38821
- https://spring.io/security/cve-2024-38821
- https://github.com/spring-projects/spring-security/commit/0e257b56ce35402558a260ffa6b368982f9a7934
- https://github.com/spring-projects/spring-security/commit/4ce7cde15599c0447163fd46bac616e03318bf5b
- https://security.netapp.com/advisory/ntap-20250124-0006
- https://github.com/spring-projects/spring-security/commit/b4f27777556c157ec5689c0769322c90be984514
- https://github.com/advisories/GHSA-c4q5-6c82-3qpw
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology