---
id: "CVE-2026-121136"
kind: "vulnerability"
aliases: ["CVE-2026-121136"]
title: "Chrome: DevTools missing authorization lets remote attacker bypass access restrictions"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["browser", "chrome", "desktop", "mobile", "runtime"]
not_affected_if: ["chrome-updated-to-157.0.8103.38-or-later"]
published_at: "2026-11-03T21:17:22+00:00"
first_seen_at: "2026-11-03T21:19:22+00:00"
updated_at: "2026-11-03T21:24:43+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121136", "first_seen_at": "2026-11-03T21:19:22+00:00"}]
---

# Chrome: DevTools missing authorization lets remote attacker bypass access restrictions

Google Chrome's DevTools component lacks an authorization check, per the NVD description. A remote attacker who uses social engineering and crafted network traffic can bypass system access restrictions.

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

## How to check

- Check the installed Chrome version: `chrome://version` in the browser, or on the command line `google-chrome --version`.
- Confirm whether the version is below `157.0.8103.38`.

## Fix

- Google Chrome: move to `157.0.8103.38` or later.

## Timeline

- 2026-11-03T21:19:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121136

## 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 crafted network traffic. (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_