GitHub Advisoryadvisory · Maven
GHSA-2mh5-3cw6-hrrq Spring Cloud Config has an Authorization Bypass Through User-Controlled Key
HIGH
Official page ↗
- Aliases
- CVE-2026-40981
- Ecosystem
- Maven
- Packages
- org.springframework.cloud:spring-cloud-config-server
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-639
- Reviewed
- 2026-05-11
Affected packages
• Maven org.springframework.cloud:spring-cloud-config-server: >= 3.1.0, <= 3.1.13 (no fix yet)
• Maven org.springframework.cloud:spring-cloud-config-server: >= 4.1.0, <= 4.1.9 (no fix yet)
• Maven org.springframework.cloud:spring-cloud-config-server: >= 4.2.0, <= 4.2.6 (no fix yet)
• Maven org.springframework.cloud:spring-cloud-config-server: >= 4.3.0, < 4.3.3 → fixed in 4.3.3
• Maven org.springframework.cloud:spring-cloud-config-server: >= 5.0.0, < 5.0.3 → fixed in 5.0.3
Description
When using Google Secrets Manager as a backend for the Spring Cloud Config server a client can craft a request to the config server potentially exposing secrets from unintended GCP projects.
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.
Related
Alias · CVE (1)
- CVE-2026-40981 When using Google Secrets Manager as a backend for the Spring Cloud Config server a client can craft a request to the config server… vulnerability
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness