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CVE-2026-101914

6.5 · MEDIUM

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

Published Sep 28, 2026CWE-187EPSS 0.25%

Overview

CVE-2026-101914 is a medium-severity vulnerability. It was published on September 28, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. 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 1.13.1 and 1.14.1, the exact path (method name) matcher used by RBAC performs a prefix comparison instead of an equality comparison when case-insensitive matching is enabled. If one service method name prefixes another and the methods have different access rules, a request for the longer method can match the shorter method's rule and cause incorrect authorization. This issue is fixed in versions 1.13.1 and 1.14.1.

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/6cf64b596da03f1942a6b168998f0670217a99c4GitHubgithub.com/grpc/grpc-node/commit/a6c5b31180cc8cea94d0a5ea215ce31a49e0409fGitHubgithub.com/grpc/grpc-node/commit/f32f3712e44581d8dfc8359bd8d30096662f4c75GitHubgithub.com/grpc/grpc-node/releases/tag/@grpc/grpc-js-xds%401.13.1GitHubgithub.com/grpc/grpc-node/releases/tag/@grpc/grpc-js-xds%401.14.1GitHubgithub.com/grpc/grpc-node/security/advisories/GHSA-88h9-xgvx-hvf2

How CyberStrike helps

Frequently asked questions

What is CVE-2026-101914?

CVE-2026-101914 is a medium-severity vulnerability. It was published on September 28, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-101914?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-101914?

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-2026-101914?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-101914 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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