CVE-2026-40982

Critical

Description

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.

SeverityCritical
CVSS9.1
Exploit probability—
ProductVmware Spring Cloud Config
PublishedMay 7, 2026
First seenMay 7, 2026

How to fix

Update
  • vmware spring_cloud_config3.1.14, 4.1.10, 4.2.7, 4.3.3, 5.0.3 or later
  • org.springframework.cloud:spring-cloud-config-server4.3.3, 5.0.3 or later

Affected products

ProductAffected versionsFixed in
vmware spring_cloud_config3.1.0 ≤ v < 3.1.14, 4.1.0 ≤ v < 4.1.10, 4.2.0 ≤ v < 4.2.7, 4.3.0 ≤ v < 4.3.3, 5.0.0 ≤ v < 5.0.33.1.14, 4.1.10, 4.2.7, 4.3.3, 5.0.3
org.springframework.cloud:spring-cloud-config-serverMavenv ≤ 3.1.13, 4.1.0 ≤ v ≤ 4.1.9, 4.2.0 ≤ v ≤ 4.2.6, 4.3.0 ≤ v < 4.3.3, 5.0.0 ≤ v < 5.0.34.3.3, 5.0.3

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