CVE-2026-101915: CWE-550: Server-generated Error Message Containing Sensitive Information in grpc grpc-node
@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, when an application method handler throws an uncaught error, the server includes its error message in the status message sent to the client. The thrown error message is transmitted to the client, causing sensitive information disclosure when the message contains sensitive data. This issue is fixed in versions 1.13.6 and 1.14.5.
AI Analysis
Technical Summary
The grpc-node library (@grpc/grpc-js) implemented in JavaScript had a vulnerability (CWE-550) where uncaught errors thrown by application method handlers caused the server to include the error message in the status message sent to clients. If these error messages contained sensitive information, it could be disclosed to clients. This behavior affected versions prior to 1.13.6 and versions from 1.14.0 up to but not including 1.14.5. The issue is resolved in versions 1.13.6 and 1.14.5.
Potential Impact
The vulnerability allows sensitive information contained in server error messages to be disclosed to clients. The impact is limited to information disclosure only, with no integrity or availability impact. The CVSS score is 3.7 (low severity), reflecting the limited impact and the requirement for network access with high attack complexity.
Mitigation Recommendations
Upgrade grpc-node to version 1.13.6 or later, or to version 1.14.5 or later to remediate this vulnerability. These versions include fixes that prevent sensitive error messages from being sent to clients. No other mitigation is required as the issue is fixed in these versions.
CVE-2026-101915: CWE-550: Server-generated Error Message Containing Sensitive Information in grpc grpc-node
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, when an application method handler throws an uncaught error, the server includes its error message in the status message sent to the client. The thrown error message is transmitted to the client, causing sensitive information disclosure when the message contains sensitive data. This issue is fixed in versions 1.13.6 and 1.14.5.
CVSS v3.1
Score 3.7low
Affected software
grpc
grpc-node
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The grpc-node library (@grpc/grpc-js) implemented in JavaScript had a vulnerability (CWE-550) where uncaught errors thrown by application method handlers caused the server to include the error message in the status message sent to clients. If these error messages contained sensitive information, it could be disclosed to clients. This behavior affected versions prior to 1.13.6 and versions from 1.14.0 up to but not including 1.14.5. The issue is resolved in versions 1.13.6 and 1.14.5.
Potential Impact
The vulnerability allows sensitive information contained in server error messages to be disclosed to clients. The impact is limited to information disclosure only, with no integrity or availability impact. The CVSS score is 3.7 (low severity), reflecting the limited impact and the requirement for network access with high attack complexity.
Mitigation Recommendations
Upgrade grpc-node to version 1.13.6 or later, or to version 1.14.5 or later to remediate this vulnerability. These versions include fixes that prevent sensitive error messages from being sent to clients. No other mitigation is required as the issue is fixed in these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-09-28T15:55:37.907Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abac808f7a7c541062404e7
Added to database: 09/28/2026, 20:03:20 UTC
Last enriched: 09/28/2026, 20:17:48 UTC
Last updated: 09/29/2026, 02:47:57 UTC
Views: 11
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