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Spring Cloud Config CVE-2026-40981

| EUVD-2026-28245 HIGH
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-05-07 vmware GHSA-2mh5-3cw6-hrrq
Authentication Bypass Java Google
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Patch available
May 07, 2026 - 06:16 EUVD
Analysis Generated
May 07, 2026 - 04:46 vuln.today
CVE Published
May 07, 2026 - 03:55 nvd
HIGH 7.5

DescriptionNVD

When using Google Secrets Manager as a backend for the Spring Cloud Config server a client can craft a request to the config server potentially exposing secrets from unintended GCP projects. 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.

AnalysisAI

Remote unauthenticated attackers can access Google Secrets Manager credentials from unintended GCP projects via crafted requests to Spring Cloud Config servers using Google Secrets Manager as a backend. VMware confirmed this high-severity information disclosure vulnerability (CVSS 7.5) affecting all 3.1.x through 5.0.x versions. …

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RemediationAI

Within 24 hours: inventory all Spring Cloud Config deployments and identify those using Google Secrets Manager as a backend; immediately isolate or disable unauthenticated access to Spring Cloud Config endpoints. Within 7 days: rotate all Google Secrets Manager credentials and service account keys potentially exposed through vulnerable instances; implement network-level access controls (WAF rules, IP whitelisting) to restrict Spring Cloud Config endpoint access. …

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CVE-2026-40981 vulnerability details – vuln.today
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