CVE-2026-40982: Path Traversal

Published May 7, 2026
·
Updated

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.

Affected Software

6 affected components
maven/org.springframework.cloud/spring-cloud-config-server>=3.1.0<=3.1.13, >=4.1.0<=4.1.9, >=4.2.0<=4.2.6, >=4.3.0<=4.3.2, >=5.0.0<=5.0.2
VMware Spring Cloud Config>=3.1.0<3.1.14
VMware Spring Cloud Config>=4.1.0<4.1.10
VMware Spring Cloud Config>=4.2.0<4.2.7
VMware Spring Cloud Config>=4.3.0<4.3.3
VMware Spring Cloud Config>=5.0.0<5.0.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Spring Cloud Config to a version that resolves this vulnerability.

    Fixed in 3.1.14
  2. Upgrade

    Upgrade Spring Cloud Config to a version that resolves this vulnerability.

    Fixed in 4.1.10
  3. Upgrade

    Upgrade Spring Cloud Config to a version that resolves this vulnerability.

    Fixed in 4.2.7
  4. Upgrade

    Upgrade Spring Cloud Config to a version that resolves this vulnerability.

    Fixed in 4.3.3
  5. Upgrade

    Upgrade Spring Cloud Config to a version that resolves this vulnerability.

    Fixed in 5.0.3

Event History

May 7, 2026
CVE Published
via MITRE·03:49 AM
Data Sourced
via MITRE·03:49 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·05:01 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-40982?

CVE-2026-40982 has been classified with a medium severity level due to its potential for directory traversal attacks.

2

How do I fix CVE-2026-40982?

To fix CVE-2026-40982, upgrade your Spring Cloud Config Server version to the latest patch that addresses this vulnerability.

3

What are the affected versions for CVE-2026-40982?

CVE-2026-40982 affects Spring Cloud Config versions from 3.1.0 to 3.1.13 and several other versions listed up to 5.0.2.

4

What kind of attack does CVE-2026-40982 allow?

CVE-2026-40982 allows a directory traversal attack that can expose sensitive files through a crafted URL.

5

Is CVE-2026-40982 resolved in recent versions?

Yes, CVE-2026-40982 is resolved in the latest releases of Spring Cloud Config Server beyond the affected versions.

Company

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Contact

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