CVE-2026-40969
3.7 · LOWOverview
CVE-2026-40969 is a low-severity vulnerability affecting vmware spring_grpc. It was published on April 28, 2026 and has a CVSS 3.1 base score of 3.7 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The raw message of every server-side AuthenticationException is returned to the unauthenticated remote caller in the gRPC status description. This allows an attacker to obtain information about the authentication failure, which may be useful for further attacks.
Affected versions:
Spring gRPC: 1.0.0 - 1.0.2 (fixed in 1.0.3). Older, unsupported versions are also affected.
Remediation
Check the references section for vendor advisories and patches from vmware. Update spring_grpc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| vmware | spring_grpc | >= 0, < 1.0.3 | Affected |
References
Frequently Asked Questions
What is CVE-2026-40969?
CVE-2026-40969 is a low-severity vulnerability affecting vmware spring_grpc. It was published on April 28, 2026 and has a CVSS 3.1 base score of 3.7 (LOW).
How severe is CVE-2026-40969?
This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-40969?
Check the references section for vendor advisories and patches from vmware. Update spring_grpc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-40969?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-40969 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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