---
id: CVE-2026-121029
title: >-
  Incorrect authorization in ORB in Google Chrome prior to 157.0.8103.38 allowed
  a remote attacker to bypass site isolation via a crafted HTML page
summary: >-
  Incorrect authorization in ORB in Google Chrome prior to 157.0.8103.38 allowed
  a remote attacker to bypass site isolation via a crafted HTML page. (Chromium
  security severity: Low)
severity: none
cwe:
  - CWE-863
vendor: Google
product: Chrome
affected:
  - Chrome >= 157.0.8103.38 < 157.0.8103.38
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T20:43:00.631Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121029'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
  - url: 'https://issues.chromium.org/issues/563877891'
tags:
  - cve.org
epss: 0.0021
epssPercentile: 0.11274
ingestedAt: '2026-11-05T20:33:06.472Z'
---

## Overview

Incorrect authorization in ORB in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)

## Affected

- `Chrome >= 157.0.8103.38 < 157.0.8103.38`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.