CVE-2026-79015

Analyzed Analyzed - Analysis Complete

Improper Input Validation in Google Chrome ServiceWorker

Publication date: 2026-08-25

Last updated on: 2026-08-28

Assigner: Chrome

Description

Improper input validation in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-25

Last Modified

2026-08-28

Generated

2026-09-15

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-13

NVD

CVE-2026-79015

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

Improper input validation in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass system access restrictions via a crafted HTML page.

Detection Guidance

This vulnerability involves improper input validation in Google Chrome's ServiceWorker. Detection requires checking Chrome version and inspecting ServiceWorker scripts for malicious payloads. Verify Chrome version is 152.0.7977.65 or later. Inspect ServiceWorker registrations via chrome://inspect/#service-workers in Chrome. Look for unexpected or unauthorized ServiceWorker scripts.

Impact Analysis

An attacker could exploit this to bypass security restrictions, potentially accessing restricted system resources or data through a specially crafted HTML page.

Compliance Impact

This vulnerability involves improper input validation in Google Chrome's ServiceWorker, which could allow a remote attacker to bypass system access restrictions via a crafted HTML page. While the impact on compliance is not explicitly detailed, such vulnerabilities may pose risks to data integrity and access controls, which are critical under standards like GDPR and HIPAA. However, without specific details on data exposure or processing, the exact compliance impact cannot be determined.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the improper input validation in ServiceWorker.

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