Spring Cloud Config Trace Log Info Exposure CVE-2026-41004
CVE-2026-41004 Published on May 7, 2026
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.
Vulnerability Analysis
CVE-2026-41004 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Insertion of Sensitive Information into Log File
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
Products Associated with CVE-2026-41004
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Affected Versions
Spring Cloud Config:- Version 3.1.0 and below 3.1.14 is affected.
- Version 4.1.0 and below 4.1.10 is affected.
- Version 4.2.0 and below 4.2.7 is affected.
- Version 4.3.0 and below 4.3.3 is affected.
- Version 5.0.0 and below 5.0.3 is affected.