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

Quick assessment

Affected
grpc grpc-node
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

grpc gRPC on Node.js是grpc组织开源的一个 gRPC 的 Node.js 官方实现，提供纯 JavaScript 和基于 C++ 的两种客户端/服务端方案，用于在 Node.js 中构建高性能的 RPC 服务。 gRPC on Node.js存在异常处理不当漏洞，该漏洞源于无效的传入压缩消息，可能导致客户端或服务器进程崩溃。以下版本受到影响：1.9.16之前版本、1.10.0至1.10.12之前版本、1.11.0至1.11.4之前版本、1.12.0至1.12.7之前版本、1.13.0

CVSS 7.5 · High EPSS 0.88% · P57

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services

Affected Version Matrix 6

VendorProduct Version RangeStatus
grpc grpc-node < 1.9.16 affected
>= 1.10.0, < 1.10.12 affected
>= 1.11.0, < 1.11.4 affected
>= 1.12.0, < 1.12.7 affected
>= 1.13.0, < 1.13.5 affected
>= 1.14.0, < 1.14.4 affected
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I. Basic Information for CVE-2026-48069

Vulnerability Information
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Vulnerability Title
@grpc/grps-js: An incoming malformed compressed message can cause a client or server crash
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
gRPC on Node.js 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
grpc gRPC on Node.js是grpc组织开源的一个 gRPC 的 Node.js 官方实现，提供纯 JavaScript 和基于 C++ 的两种客户端/服务端方案，用于在 Node.js 中构建高性能的 RPC 服务。 gRPC on Node.js存在异常处理不当漏洞，该漏洞源于无效的传入压缩消息，可能导致客户端或服务器进程崩溃。以下版本受到影响：1.9.16之前版本、1.10.0至1.10.12之前版本、1.11.0至1.11.4之前版本、1.12.0至1.12.7之前版本、1.13.0
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
grpc grpc-node < 1.9.16 -

II. Public POCs for CVE-2026-48069

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9666 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-48069

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Patches & Fixes for CVE-2026-48069 (9)

Vendor Advisories for CVE-2026-48069 (1)

Vendor Pages for CVE-2026-48069 (3)

IV. Related Vulnerabilities

Same product: grpc-node
Same vendor: grpc
Same weakness: CWE-248

V. Comments for CVE-2026-48069

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