---
id: "CVE-2026-113159"
kind: "vulnerability"
aliases: ["CVE-2026-113159"]
title: "Google Chrome: DevTools access flaw can leak data from a crafted page"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "vendor"
products: [{"name": "google chrome", "fixed": ["156.0.8078.47"], "affected": "< 156.0.8078.47", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["browser", "chrome", "desktop", "managed-devices", "vendor"]
not_affected_if: ["chrome-156.0.8078.47-or-later", "no-chrome-installed"]
published_at: "2026-10-20T22:19:08+00:00"
first_seen_at: "2026-10-23T21:57:24+00:00"
updated_at: "2026-10-25T03:53:09+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113159", "first_seen_at": "2026-10-23T21:57:24+00:00"}]
---

# Google Chrome: DevTools access flaw can leak data from a crafted page

Improper access control in DevTools in Google Chrome before 156.0.8078.47 lets a remote attacker leak sensitive information through a crafted HTML page. An attacker gets read access to data the browser should have kept from the page.

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

## Affected

- vendor:google chrome affected < 156.0.8078.47 fixed 156.0.8078.47

## How to check

- Check the installed Chrome version in chrome://settings/help or with the Chrome binary's version flag; it must be at or above `156.0.8078.47` to be fixed.
- On managed fleets, query the Chrome version reported by the device management console and list hosts below `156.0.8078.47`.

## Fix

- Update Google Chrome to `156.0.8078.47` or later, then relaunch the browser.
- Confirm auto-update is enabled on managed devices so the fix reaches all machines.

## Timeline

- 2026-10-23T21:57:24+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-113159

## From the sources

Improper access control in DevTools in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially leak sensitive information 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_