CVE-2026-121101

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Missing Authorization in Google Chrome DevTools

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

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 into a privileged page via a crafted Chrome extension. (Chromium security severity: Low)

CVSS Scores

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Meta Information

Published

2026-11-03

Last Modified

2026-11-03

Generated

2026-11-04

AI Q&A

2026-11-04

EPSS Evaluated

N/A

NVD

CVE-2026-121101

EUVD

EUVD-2026-116334

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	157.0.8103.38

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability involves missing authorization in Google Chrome's DevTools. A remote attacker could exploit it by using social engineering to trick a user into installing a crafted Chrome extension. This extension could then bypass system access restrictions and access privileged pages in Chrome versions prior to 157.0.8103.38.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive or privileged pages within Chrome, potentially leading to unauthorized actions or data exposure. Users might unknowingly grant elevated access to malicious extensions through social engineering tactics.

Mitigation Strategies

Update Google Chrome to version 157.0.8103.38 or later to address the missing authorization issue in DevTools.

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