---
id: CVE-2026-106253
title: >-
  Incorrect authorization in Extensions in Google Chrome prior to 155.0.8059.39
  allowed a remote attacker to obtain cross-origin data via a crafted Chrome
  extension
summary: >-
  Incorrect authorization in Extensions in Google Chrome prior to 155.0.8059.39
  allowed a remote attacker to obtain cross-origin data via a crafted Chrome
  extension. (Chromium security severity: Medium)
severity: none
cwe:
  - CWE-863
vendor: Google
product: Chrome
affected:
  - Chrome >= 155.0.8059.39 < 155.0.8059.39
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T19:57:00.457'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106253'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html
    label: chrome-cve-admin@google.com
  - url: 'https://issues.chromium.org/issues/513741326'
    label: chrome-cve-admin@google.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T19:13:33.903Z'
---

## Overview

Incorrect authorization in Extensions in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to obtain cross-origin data via a crafted Chrome extension. (Chromium security severity: Medium)

## Remediation

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