CVE-2026-121130

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Observable discrepancy in Forms in Google Chrome

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

Observable discrepancy in Forms in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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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-2026-121130

EUVD

EUVD-2026-116342

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	157.0.8103.38

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-203	The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability involves an observable discrepancy in forms within Google Chrome versions prior to 157.0.8103.38. A remote attacker could exploit this by crafting an HTML page to gain access to sensitive information.

Impact Analysis

If you use an affected version of Google Chrome, a malicious actor could trick you into visiting a specially designed webpage. This could lead to the exposure of sensitive data you enter into forms, such as login credentials or personal details.

Mitigation Strategies

Update Google Chrome to version 157.0.8103.38 or later to address the vulnerability.

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