Information leak in StorageAccessAPI in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain cross-origin data via a crafted… (CVE-2026-78896)
Description
An information leak vulnerability exists in the StorageAccessAPI of Google Chrome versions prior to 152.0.7977.65. This flaw allows a remote attacker to obtain cross-origin data by crafting a malicious HTML page. The vulnerability has a CVSS score of 4.3, indicating a medium severity level. No known exploits are reported in the wild. No explicit patch or remediation details are provided in the available data.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78896 describes an information leak in the StorageAccessAPI component of Google Chrome before version 152.0.7977.65. The vulnerability enables a remote attacker to access cross-origin data through a specially crafted HTML page. The issue is classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor). The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and limited confidentiality impact. No vendor advisory or patch information is provided in the input data.
Potential Impact
The vulnerability allows unauthorized disclosure of cross-origin data, potentially exposing sensitive information to remote attackers. The impact is limited to confidentiality with no integrity or availability effects. The CVSS score of 4.3 reflects a moderate risk, requiring user interaction for exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users and administrators should monitor official Google Chrome security advisories for updates and apply the official fix once available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-q9qv-6qx8-79cg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-78896"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a90542dacd9273b496989f6
Added to database: 08/27/2026, 15:13:49 UTC
Last enriched: 09/10/2026, 05:08:59 UTC
Last updated: 10/11/2026, 06:48:18 UTC
Views: 62
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