NetSight
critical9.1

CVE-2026-40982

Spring Cloud Config allows applications to serve arbitrary text and binary files through the spring-cloud-config-server module.

Impact

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 packages

EcosystemPackageAffectedFixed in
mavenorg.springframework.cloud:spring-cloud-config-server>= 4.1.0, <= 4.1.9none recorded

Affected products

VendorProductAffected versions
VmwareSpring Cloud Config
from 3.1.0 before 3.1.14
from 4.1.0 before 4.1.10
from 4.2.0 before 4.2.7
from 4.3.0 before 4.3.3
from 5.0.0 before 5.0.3

Weakness classification

References