Denial of Service Vulnerability in gRPC JavaScript Implementation from Google
CVE-2026-48069

7.5HIGH

Key Information:

Vendor

Grpc

Status
Grpc-node
Vendor
CVE Published:
14 July 2026

What is CVE-2026-48069?

A Denial of Service vulnerability exists in the @grpc/grpc-js package prior to versions 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, and 1.14.4. This vulnerability can be triggered by an invalid incoming compressed message, leading to the crashing of both client and server processes. Upgrading to the specified versions is necessary to mitigate this issue.

Affected Version(s)

grpc-node < 1.9.16 < 1.9.16

grpc-node >= 1.10.0, < 1.10.12 < 1.10.0, 1.10.12

grpc-node >= 1.11.0, < 1.11.4 < 1.11.0, 1.11.4

References

https://github.com/grpc/grpc-node/security/advisories/GHS...
x_refsource_CONFIRM
https://github.com/grpc/grpc-node/commit/2375eadcc52ca2b1...
x_refsource_MISC
https://github.com/grpc/grpc-node/commit/2fe55fd76a8bb59e...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.