Improper handling of case sensitivity in FileSystem in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering… (CVE-2026-78959)
Description
Google Chrome versions prior to 152.0.7977.65 contain a vulnerability in the FileSystem component where improper handling of case sensitivity allows a remote attacker to bypass system access restrictions via a crafted HTML page. This vulnerability requires user interaction (UI:R) and has a moderate severity rating.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78959 is a vulnerability in Google Chrome's FileSystem handling where case sensitivity is improperly managed. This flaw allows a remote attacker, through social engineering and a crafted HTML page, to bypass system access restrictions. The vulnerability affects versions prior to 152.0.7977.65. The CVSS 3.1 score is 6.5 (medium severity), with attack vector network, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact.
Potential Impact
An attacker can bypass system access restrictions, potentially modifying or injecting unauthorized content, impacting the integrity of the system. There is no confidentiality or availability impact reported. Exploitation requires user interaction and social engineering.
Mitigation Recommendations
A fix is available in Google Chrome version 152.0.7977.65. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigations are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-35mw-8r7p-2p48
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-78959"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a92f814acd9273b49e90e36
Added to database: 08/29/2026, 15:17:40 UTC
Last enriched: 09/09/2026, 18:38:50 UTC
Last updated: 10/12/2026, 06:48:19 UTC
Views: 23
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