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Client-Side Enforcement of Server-Side Security

CVE-2026-17821

Medium
6.5/10

Summary

Insufficient policy enforcement in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chromium security severity: Medium)

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • REQUIRED
  • NONE
  • NONE
  • NONE

CWE-602 - Client-Side Enforcement of Server-Side Security

The software is composed of a server that relies on the client to implement a mechanism that is intended to protect the server.

Advisory Timeline

  • Published