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Incomplete Cleanup

CVE-2026-121204

High
8.8/10

Summary

Incomplete cleanup in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

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

CWE-459 - Incomplete Cleanup

The software does not properly "clean up" and remove temporary or supporting resources after they have been used.

Advisory Timeline

  • Published