EUVD-2026-66845
GHSA-xv2j-23v2-w2r5
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Network-accessible Config Server with no mandatory application-layer auth; path traversal yields read-only file disclosure, so I:N and A:N are correct.
Primary rating from Vendor (vmware).
CVSS VectorNVD
Lifecycle Timeline
5DescriptionNVD
Spring Cloud Config Server native environment repository allows exposure of configuration files outside of the configured repository path. Spring Cloud Config 5.0.0 - 5.0.4 Spring Cloud Config 4.3.0 - 4.3.4 Spring Cloud Config 4.0.0 - 4.2.8 Spring Cloud Config 3.1.14 and earlier
AnalysisAI
Path traversal in Spring Cloud Config Server's native environment repository allows unauthenticated remote attackers to read arbitrary files outside the configured search-locations directory on the server filesystem. Affected deployments span four release lines - 3.1.14 and earlier, 4.0.0-4.2.8, 4.3.0-4.3.4, and 5.0.0-5.0.4 - and are limited to the native filesystem backend mode. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the Spring Cloud Config Server be actively configured to use the native environment repository backend - specifically, that spring.cloud.config.server.native is the active profile and spring.cloud.config.server.native.searchLocations points to a local filesystem path. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 score (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) reflects a worst-case scenario where the Config Server is network-reachable without authentication, which is plausible in internal microservices deployments relying on network-layer controls rather than application-level auth. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to a fixed release per the Spring security advisory at https://spring.io/security/cve-2026-47894 - the input data identifies the vulnerable ceiling for each branch (3.1.14, 4.2.8, 4.3.4, 5.0.4) but does not explicitly confirm fix version numbers, so the advisory should be consulted for the exact patched release in each line. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct a comprehensive inventory of all Spring Cloud Config Server deployments across production and non-production environments, documenting exact version numbers, backend mode (native filesystem vs git), and which credentials and secrets are stored in configured repository directories. …
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External POC / Exploit Code
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