# CVE-2026-47894: Spring Cloud Config Server path traversal in native repository

Source: https://junglewise.ai/threats/cve-2026-47894-spring-cloud-config-server-path-traversal-in-native-repository  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-27. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-47894 · Severity: medium · CVSS 4.9 · Published 2026-08-27

Spring Cloud Config Server is a centralized service that manages configuration files for distributed applications. An attacker can bypass repository path restrictions and read configuration files outside the intended directory, potentially exposing sensitive data like database credentials, API keys, and other secrets used by applications.

Vendors: [Spring](https://junglewise.ai/threats/vendors/spring).

## Quick answers

**Is CVE-2026-47894 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-47894 being exploited in the wild.

**How severe is CVE-2026-47894?** Medium severity, with a CVSS score of 4.9, published 27 August 2026.

**Which products and versions are affected?** Spring Cloud Config 3.1.14 and earlier, 4.0.0 through 4.2.8, 4.3.0 through 4.3.4, 5.0.0 through 5.0.4.

**Is there a fix for CVE-2026-47894?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-47894 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-47894?** Check whether you run Spring Cloud Config at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a path traversal flaw in Spring Cloud Config Server's native environment repository handler that fails to properly validate and sanitize file paths. An attacker with network access to the Config Server can craft requests using path traversal sequences (such as `../`) to access configuration files beyond the configured repository boundary. No authentication is required if the server is network-accessible. This allows an attacker to read arbitrary configuration files on the system, exposing application secrets and sensitive infrastructure details. Patches are available in Spring Cloud Config 5.0.5, 4.3.5, and 4.2.9 or later.

## Affected products

- Spring Cloud Config 3.1.14 and earlier, 4.0.0 through 4.2.8, 4.3.0 through 4.3.4, 5.0.0 through 5.0.4

## Timeline

- 2026-08-27: disclosed

## References

- [https://spring.io/security/cve-2026-47894](https://spring.io/security/cve-2026-47894)

## Related threats

- [Spring Cloud Config denial of service via malicious payloads](https://junglewise.ai/threats/cve-2026-59315-spring-cloud-config-denial-of-service-via-malicious-payloads)