Vulnerability · Published Jul 14, 2026 · Assigned by GitHub_M

CVE-2026-48069@grpc/grps-js: An incoming malformed compressed message can cause a client or server crash

High 7.5

In plain English

A high-severity security flaw in grpc-node from grpc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.9%top 40.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

@grpc/grps-js implements the core functionality of gRPC purely in JavaScript, without a C++ addon. Prior to 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, and 1.14.4, an invalid incoming compressed message can cause a client or server process that uses @grpc/grpc-js to crash. This issue is fixed in versions 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, and 1.14.4.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	@grpc/grpc-js	1.9.16	GHSA-99f4-grh7-6pcq
npm	@grpc/grpc-js	1.10.12	GHSA-99f4-grh7-6pcq
npm	@grpc/grpc-js	1.11.4	GHSA-99f4-grh7-6pcq
npm	@grpc/grpc-js	1.12.7	GHSA-99f4-grh7-6pcq
npm	@grpc/grpc-js	1.13.5	GHSA-99f4-grh7-6pcq
npm	@grpc/grpc-js	1.14.4	GHSA-99f4-grh7-6pcq

Affected products (as reported)

Vendor	Product	Versions
grpc	grpc-node	< 1.9.16>= 1.10.0, < 1.10.12>= 1.11.0, < 1.11.4>= 1.12.0, < 1.12.7>= 1.13.0, < 1.13.5>= 1.14.0, < 1.14.4

Weakness: CWE-248 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://github.com/grpc/grpc-node/security/advisories/GHSA-99f4-grh7-6pcq x_refsource_CONFIRM
https://github.com/grpc/grpc-node/commit/2375eadcc52ca2b1ef55288bcd6355168b02706c x_refsource_MISC
https://github.com/grpc/grpc-node/commit/2fe55fd76a8bb59eaab5f39e3552b5f84985a163 x_refsource_MISC
https://github.com/grpc/grpc-node/commit/4091bd902105f8fb655741758aee71418c48b5d5 x_refsource_MISC
https://github.com/grpc/grpc-node/commit/b3f16094473b5c8f38b0955eafa4a19507127346 x_refsource_MISC
https://github.com/grpc/grpc-node/commit/b61c4d65953db85c2ae55b4b3cd98a4259dc87cb x_refsource_MISC
https://github.com/grpc/grpc-node/commit/b6dcfc3cee9ef390e5869ebea5a8c5ae187720b9 x_refsource_MISC
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.10.12 x_refsource_MISC
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.11.4 x_refsource_MISC
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.12.7 x_refsource_MISC
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.13.5 x_refsource_MISC
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.14.4 x_refsource_MISC
https://github.com/grpc/grpc-node/releases/tag/%40grpc%2Fgrpc-js%401.9.16 x_refsource_MISC