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CVE-2026-101916

7.4 · HIGH

@grpc/grpc-js implements the core functionality of gRPC purely in JavaScript, without a C++ addon.

Published Sep 28, 2026CWE-295EPSS 0.21%

Overview

CVE-2026-101916 is a high-severity vulnerability. It was published on September 28, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

@grpc/grpc-js implements the core functionality of gRPC purely in JavaScript, without a C++ addon. Prior to 1.13.6 and 1.14.5, getAuthContext does not distinguish authorized from unauthorized peer certificates when server credentials set requireClientCertificate to false. When applications use the returned authentication context, they can treat an unauthorized certificate as authorized, causing improper authentication. @grpc/grpc-js-xds can reach this condition when RBAC authentication is enabled in affected configurations. This issue is fixed in version 1.14.5 and 1.13.6.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHubgithub.com/grpc/grpc-node/commit/2a84ec8b01b9db68ed9d2b117a53a81449edb8eeGitHubgithub.com/grpc/grpc-node/commit/b4e0079c6d22a2adedfcac748e0bc083f783bc7cGitHubgithub.com/grpc/grpc-node/releases/tag/@grpc/grpc-js%401.14.5GitHubgithub.com/grpc/grpc-node/security/advisories/GHSA-m9gg-hp2v-232j

How CyberStrike helps

Frequently asked questions

What is CVE-2026-101916?

CVE-2026-101916 is a high-severity vulnerability. It was published on September 28, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

How severe is CVE-2026-101916?

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-101916?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2026-101916?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-101916 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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