HighGHSA-99f4-grh7-6pcqCVE-2026-48069

@grpc/grpc-js: An incoming malformed compressed message can cause a client or server crash

Published 11 Jun 2026 · Updated 10 Sept 2026

Affected packages

Affected
<1.9.16
Fixed in
1.9.16
Update to the fixed version for your release line, for example:npm install @grpc/grpc-js@1.9.16
Affected
>=1.10.0 <1.10.12
Fixed in
1.10.12
Update to the fixed version for your release line, for example:npm install @grpc/grpc-js@1.10.12
Affected
>=1.11.0 <1.11.4
Fixed in
1.11.4
Update to the fixed version for your release line, for example:npm install @grpc/grpc-js@1.11.4
Affected
>=1.12.0 <1.12.7
Fixed in
1.12.7
Update to the fixed version for your release line, for example:npm install @grpc/grpc-js@1.12.7
Affected
>=1.13.0 <1.13.5
Fixed in
1.13.5
Update to the fixed version for your release line, for example:npm install @grpc/grpc-js@1.13.5
Affected
>=1.14.0 <1.14.4
Fixed in
1.14.4
Update to the fixed version for your release line, for example:npm install @grpc/grpc-js@1.14.4

Details

Impact

An invalid incoming compressed message can cause a client or server process to crash. This affects all clients and servers that use @grpc/grpc-js

Patches

The following version have fixes for this vulnerability:

  • 1.9.16
  • 1.10.12
  • 1.11.4
  • 1.12.7
  • 1.13.5
  • 1.14.4

Workarounds

There is no workaround.

Is GHSA-99f4-grh7-6pcq in any of your client repos?

Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected @grpc/grpc-js, and gives you the command that fixes it.

References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.