---
id: "CVE-2026-121075"
kind: "vulnerability"
aliases: ["CVE-2026-121075"]
title: "Google Chrome: DevTools flaw lets a crafted web page bypass access restrictions"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["browser", "chrome", "linux", "macos", "other", "windows"]
not_affected_if: ["chrome-updated"]
published_at: "2026-11-03T21:17:12+00:00"
first_seen_at: "2026-11-03T21:19:11+00:00"
updated_at: "2026-11-03T21:26:53+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121075", "first_seen_at": "2026-11-03T21:19:11+00:00"}]
---

# Google Chrome: DevTools flaw lets a crafted web page bypass access restrictions

Chrome's DevTools component is missing an authorization check, so a remote attacker who tricks a user into opening a crafted HTML page can bypass system access restrictions. The source describes Chromium's severity as Medium.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Chrome version in Chrome's About page or with `google-chrome --version`
- Compare it with the fixed version `157.0.8103.38`

## Fix

- Google Chrome: move to `157.0.8103.38` or later

## Timeline

- 2026-11-03T21:19:11+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121075

## From the sources

Missing authorization in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_