CVE-2026-79201: Improper access control in Google Chrome
Description
CVE-2026-79201 is an improper access control vulnerability in the Workers feature of Google Chrome versions prior to 152.0.7977.65. This flaw allows a remote attacker to bypass the web origin policy by using a crafted HTML page. The vulnerability has a medium severity rating and a CVSS score of 4.3. No known exploits are reported in the wild. A fix is available in Chrome version 152.0.7977.65.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper access control in the Workers component of Google Chrome before version 152.0.7977.65. It enables a remote attacker to bypass the web origin policy, which is a fundamental security mechanism that restricts how documents or scripts loaded from one origin can interact with resources from another origin. The issue can be triggered via a crafted HTML page. The CVSS 3.1 base score is 4.3, reflecting a network attack vector, low complexity, no privileges required, user interaction required, unchanged scope, and limited confidentiality impact.
Potential Impact
An attacker can bypass the web origin policy, potentially allowing unauthorized access to resources or data that should be restricted by origin boundaries. The impact is limited to confidentiality, with no integrity or availability effects reported. This could lead to information disclosure under certain conditions.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 152.0.7977.65 or later, where this vulnerability is fixed. There are no vendor advisories indicating that no action is required or that the issue is already mitigated by other means.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-gwcj-f4j7-jhmg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-79201"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a91a876acd9273b49069d2a
Added to database: 08/28/2026, 15:25:42 UTC
Last enriched: 09/18/2026, 02:00:00 UTC
Last updated: 10/12/2026, 18:48:23 UTC
Views: 30
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