---
id: "CVE-2026-121042"
kind: "vulnerability"
aliases: ["CVE-2026-121042"]
title: "Chrome on Android: permissions check lets a web page bypass access restrictions"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["android", "chrome", "mobile", "other"]
not_affected_if: ["chrome-updated", "non-android-platforms"]
published_at: "2026-11-03T21:17:08+00:00"
first_seen_at: "2026-11-03T21:19:09+00:00"
updated_at: "2026-11-03T21:27:25+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121042", "first_seen_at": "2026-11-03T21:19:09+00:00"}]
---

# Chrome on Android: permissions check lets a web page bypass access restrictions

Google Chrome on Android before 157.0.8103.38 has an authorization flaw in its Permissions component. A remote attacker can use a crafted HTML page to bypass system access restrictions on the device.

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

## How to check

- Check the Chrome version on the Android device: Settings > Google Chrome > About Chrome, or `chrome://version` in Chrome.
- Confirm whether the version is below `157.0.8103.38`.

## Fix

- Google Chrome on Android: update to `157.0.8103.38` or later.

## Timeline

- 2026-11-03T21:19:09+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121042

## From the sources

Incorrect authorization in Permissions in Google Chrome on on Android prior to 157.0.8103.38 allowed a remote attacker 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_