@grpc/grpc-js: The server transmits some error messages thrown by method handlers to the client in status messages — GHSA-F596-WHHP-79R4

Summary

### Impact If an application method handler crashes, the error message is included in the status message sent to the client. This can leak to the client any sensitive data that may be included in the error message. This impacts anyone using `@grpc/grpc-js` to run servers. ### Patches This vulnerability is fixed in 1.13.6 and 1.14.5. ### Workarounds This can be avoided by using a top-level error handler in method…

Timeline

Published by source

2026-09-30

Risk context

• Reported severity or threat level: low.
• Reported CVSS score: 3.7 out of 10.
• Reported EPSS value: 0.00251.
• Review exposure for the affected product or family: npm: @grpc/grpc-js.

Product

npm: @grpc/grpc-js

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-F596-WHHP-79R4

Source

GitHub

Vendor

GitHub

Published by source

2026-09-30

Last source activity

2026-09-30

Additional identifiers

CVE-2026-101915

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.