CVE-2026-40982: Spring Cloud Config vulnerable to Path Traversal
Spring Cloud Config allows applications to serve arbitrary text and binary files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead to a directory traversal attack. Spring Cloud Config 3.1.x: affected from 3.1.0 through 3.1.13 (inclusive); upgrade to 3.1.14 or greater (Enterprise Support Only).
Published May 7, 2026 · Updated Jun 11, 2026
Affected packages
org.springframework.cloud:spring-cloud-config-server
- Ecosystem
- Maven
- Affected
- >= 4.1.0, <= 4.1.9
- Fixed in
- No patched version yet
- Check
mvn dependency:tree -Dincludes=org.springframework.cloud:spring-cloud-config-server
org.springframework.cloud:spring-cloud-config-server
- Ecosystem
- Maven
- Affected
- >= 4.2.0, <= 4.2.6
- Fixed in
- No patched version yet
- Check
mvn dependency:tree -Dincludes=org.springframework.cloud:spring-cloud-config-server
org.springframework.cloud:spring-cloud-config-server
- Ecosystem
- Maven
- Affected
- >= 4.3.0, <= 4.3.2
- Fixed in
- 4.3.3
- Check
mvn dependency:tree -Dincludes=org.springframework.cloud:spring-cloud-config-server
org.springframework.cloud:spring-cloud-config-server
- Ecosystem
- Maven
- Affected
- >= 5.0.0, <= 5.0.2
- Fixed in
- 5.0.3
- Check
mvn dependency:tree -Dincludes=org.springframework.cloud:spring-cloud-config-server
org.springframework.cloud:spring-cloud-config-server
- Ecosystem
- Maven
- Affected
- <= 3.1.13
- Fixed in
- No patched version yet
- Check
mvn dependency:tree -Dincludes=org.springframework.cloud:spring-cloud-config-server
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
Spring Cloud Config allows applications to serve arbitrary text and binary files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead to a directory traversal attack. Spring Cloud Config 3.1.x: affected from 3.1.0 through 3.1.13 (inclusive); upgrade to 3.1.14 or greater (Enterprise Support Only). Spring Cloud Config 4.1.x: affected from 4.1.0 through 4.1.9 (inclusive); upgrade to 4.1.10 or greater (Enterprise Support Only). Spring Cloud Config 4.2.x: affected from 4.2.0 through 4.2.6 (inclusive); upgrade to 4.2.7 or greater (Enterprise Support Only). Spring Cloud Config 4.3.x: affected from 4.3.0 through 4.3.2 (inclusive); upgrade to 4.3.3 or greater. Spring Cloud Config 5.0.x: affected from 5.0.0 through 5.0.2 (inclusive); upgrade to 5.0.3 or greater.
Credited to scottfrederick.
References
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