What’s Vulnerable › Vulnerabilities

CVE-2026-101915: @grpc/grpc-js: The server transmits some error messages thrown by method handlers to the client in status messages

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-28 · updated 2026-10-01
• Weakness: CWE-550

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.

Affected products

• grpc-node: before 1.13.6; from 1.14.0, < 1.14.5

References

• https://github.com/grpc/grpc-node/commit/350de32860428cc62473a00bee4035360690ffea
• https://github.com/grpc/grpc-node/commit/7c5c5181159c6ddd292805881ef2cdec29bb475f
• https://github.com/grpc/grpc-node/commit/e8329b122ca99ba10877e990c2f6edd40224fd0d
• https://github.com/grpc/grpc-node/releases/tag/@grpc/grpc-js%401.13.6
• https://github.com/grpc/grpc-node/releases/tag/@grpc/grpc-js%401.14.5
• https://github.com/grpc/grpc-node/security/advisories/GHSA-f596-whhp-79r4

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