CVE-2026-101914
Published:September 28, 2026
Updated:October 10, 2026
@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.
Affected Packages
https://github.com/grpc/grpc-node.git (GITHUB):
Affected version(s) =@grpc/grpc-js-xds@1.14.0 <@grpc/grpc-js-xds@1.14.1Fix Suggestion:
Update to version @grpc/grpc-js-xds@1.14.1@grpc/grpc-js-xds (NPM):
Affected version(s) =1.14.0 <1.14.1Fix Suggestion:
Update to version 1.14.1Related Resources (11)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
EPSS
Base Score:
0.25