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High

Prototype pollution in grpc and @grpc/grpc-js

  • Disclosed: 10.05.2021
  • Updated: 11.10.2026 10:22

"The package grpc before 1.24.4 and the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition."

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package grpc < 1.24.4 1.24.4
npm package @grpc/grpc-js < 1.1.8 1.1.8

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-1321, CWE-915
Platform
npm
Package
grpc, @grpc/grpc-js
Disclosed
10.05.2021
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-pp75-xfpw-37g9 - CC BY 4.0

Vulnerability history: @grpc/grpc-js

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
6
First → latest
05.2021 09.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 4
  • Medium 1
  • Low 1

Disclosures per year

  1. @grpc/grpc-js: In certain configurations, getAuthContext can return unauthorized certificates as though they were authorized
    High · 7.4 CVE-2026-101916 < 1.13.6, >= 1.14.0, < 1.14.5 1.13.6, 1.14.5
  2. @grpc/grpc-js: The server transmits some error messages thrown by method handlers to the client in status messages
    Low · 3.7 CVE-2026-101915 < 1.13.6, >= 1.14.0, < 1.14.5 1.13.6, 1.14.5
  3. @grpc/grpc-js: A malformed request can cause a server crash
    High · 7.5 CVE-2026-48068 < 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 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, 1.14.4
  4. @grpc/grpc-js: An incoming malformed compressed message can cause a client or server crash
    High · 7.5 CVE-2026-48069 < 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 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, 1.14.4
  5. @grpc/grpc-js can allocate memory for incoming messages well above configured limits
    Medium · 5.3 CVE-2024-37168 >= 1.10.0, < 1.10.9, >= 1.9.0, < 1.9.15, < 1.8.22 1.10.9, 1.9.15, 1.8.22
  6. Prototype pollution in grpc and @grpc/grpc-js this entry
    High · 7.5 CVE-2020-7768 < 1.1.8 1.1.8

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