Spring Cloud Config allows applications to serve arbitrary text and binary files through the spring-cloud-config-server module.

Summary

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.

Timeline

1. May 7, 2026, 3:49 AM UTCCVE published
2. May 9, 2026, 3:55 AM UTCCISA SSVC assessment

   Exploitation: none · Automatable: yes · Technical impact: total

3. Jul 15, 2026, 1:00 AM UTCRecord last updated

Affected versions

• Spring Spring Cloud Config

  From 3.1.0 · fixed in 3.1.14; From 4.1.0 · fixed in 4.1.10; From 4.2.0 · fixed in 4.2.7; From 4.3.0 · fixed in 4.3.3; From 5.0.0 · fixed in 5.0.3

• org.springframework.cloud:spring-cloud-config-serverMaven

  through 3.1.13

• org.springframework.cloud:spring-cloud-config-serverMaven

  From 4.1.0 · through 4.1.9

• org.springframework.cloud:spring-cloud-config-serverMaven

  From 4.2.0 · through 4.2.6

• org.springframework.cloud:spring-cloud-config-serverMaven

  From 4.3.0 · fixed in 4.3.3

• org.springframework.cloud:spring-cloud-config-serverMaven

  From 5.0.0 · fixed in 5.0.3

References 2