CVE-2026-17883

Analyzed Analyzed - Analysis Complete

Inappropriate Implementation in Headless Chrome Allows Same Origin Policy Bypass

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Inappropriate implementation in Headless in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-30

Last Modified

2026-08-03

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17883

EUVD

EUVD-2026-50632

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 151.0.7922.72 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-346	The product does not properly verify that the source of data or communication is valid.

Attack-Flow Graph

Executive Summary

This vulnerability is an inappropriate implementation in Google Chrome's Headless mode. It allows a remote attacker to bypass the same origin policy through a specially crafted HTML page. This means the attacker could access or manipulate data from different origins than intended, potentially leading to unauthorized access or data theft.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 151.0.7922.72. To detect it, check your Chrome version by running chrome --version or chrome://version in the browser. If your version is below 151.0.7922.72, the system is vulnerable.

Impact Analysis

If you use Google Chrome in Headless mode, an attacker could exploit this flaw to access sensitive data from other websites or services you interact with. This could result in data breaches, unauthorized actions on your behalf, or exposure of private information.

Compliance Impact

This vulnerability could lead to unauthorized data access or exposure, which may violate GDPR's data protection principles or HIPAA's security requirements. Organizations using Chrome in Headless mode might face compliance violations if exploited, potentially resulting in legal penalties or reputational damage.

Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later to address the vulnerability.

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