Is CVE-2026-101914 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-101914 being exploited in the wild.

How severe is CVE-2026-101914?

Medium severity, with a CVSS score of 6.5, published 28 September 2026.

Which products and versions are affected?

Google Grpc-Js-Xds < 1.13.1, = 1.14.0; @grpc/grpc-js-xds (npm) SEMVER:introduced=0,fixed=1.13.1.

Is there a fix for CVE-2026-101914?

Yes. @grpc/grpc-js-xds (npm): upgrade to 1.13.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-101914 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-101914?

Check whether you run Google Grpc-Js-Xds or @grpc/grpc-js-xds (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-101914: gRPC grpc-js incorrect authorization in RBAC path matching

Q: Which products and versions are affected?

Google Grpc-Js-Xds < 1.13.1, = 1.14.0; @grpc/grpc-js-xds (npm) SEMVER:introduced=0,fixed=1.13.1.

Q: Is there a fix for CVE-2026-101914?

Yes. @grpc/grpc-js-xds (npm): upgrade to 1.13.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Q: How is CVE-2026-101914 attacked?

It is attacked over the network, in a software library.

Q: Am I affected by CVE-2026-101914?

Check whether you run Google Grpc-Js-Xds or @grpc/grpc-js-xds (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-101914 · Severity: medium · CVSS 6.5 · Published 2026-09-28

The gRPC JavaScript library's role-based access control (RBAC) system incorrectly matches API method names when case-insensitive matching is enabled. An attacker can bypass authentication rules by calling a method name that is a prefix of another protected method, potentially gaining unauthorized access to protected gRPC services.

Technologies: @grpc/grpc-js-xds (npm). Vendors: Google, npm.

Quick answers

Is CVE-2026-101914 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-101914 being exploited in the wild.
How severe is CVE-2026-101914?: Medium severity, with a CVSS score of 6.5, published 28 September 2026.
Which products and versions are affected?: Google Grpc-Js-Xds < 1.13.1, = 1.14.0; @grpc/grpc-js-xds (npm) SEMVER:introduced=0,fixed=1.13.1.
Is there a fix for CVE-2026-101914?: Yes. @grpc/grpc-js-xds (npm): upgrade to 1.13.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-101914 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-101914?: Check whether you run Google Grpc-Js-Xds or @grpc/grpc-js-xds (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

@grpc/grpc-js-xds (npm): upgrade to 1.13.1 or later
```
npm install @grpc/grpc-js-xds@1.13.1
```

Technical details

The exact path matcher in the RBAC implementation applies a prefix match instead of an exact match for case-insensitive method name comparisons, violating the intended authorization semantics. An unauthenticated network attacker can exploit this by invoking a gRPC method whose name is a prefix of a differently-protected method when case-insensitive matching is configured. The fix applies exact matching logic consistently across both case-sensitive and case-insensitive paths.

Affected products

Google grpc-js-xds < 1.13.1, = 1.14.0

Identifiers

CVE-2026-101914
GHSA-88h9-xgvx-hvf2

Timeline

2026-09-17: disclosed
2026-09-17: patched: Patches released in versions 1.13.1 and 1.14.1

References

https://api.github.com/users/manqingzhou

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