Qtwebkit opensource src: The issue was addressed with improved checks. (CVE-2026-43701)
The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may be able to process restricted web content outside the sandbox.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-43701) involves a sandbox escape where a malicious website could process restricted web content outside the intended sandbox environment. The root cause relates to insufficient access control checks (CWE-284). The issue is addressed by improved checks implemented in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
Potential Impact
Successful exploitation could allow an attacker to bypass sandbox restrictions, potentially leading to limited confidentiality, integrity, and availability impacts on the affected system. The CVSS 3.1 base score is 8.3 (high), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and scope change with partial impacts on confidentiality, integrity, and availability.
Mitigation Recommendations
The vulnerability is fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation steps are indicated.
Qtwebkit opensource src: The issue was addressed with improved checks. (CVE-2026-43701)
Description
The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may be able to process restricted web content outside the sandbox.
CVSS v3.1
Score 7.1high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-43701) involves a sandbox escape where a malicious website could process restricted web content outside the intended sandbox environment. The root cause relates to insufficient access control checks (CWE-284). The issue is addressed by improved checks implemented in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
Potential Impact
Successful exploitation could allow an attacker to bypass sandbox restrictions, potentially leading to limited confidentiality, integrity, and availability impacts on the affected system. The CVSS 3.1 base score is 8.3 (high), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and scope change with partial impacts on confidentiality, integrity, and availability.
Mitigation Recommendations
The vulnerability is fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-779r-mf4g-rgf7
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43701"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a83aa84bf8831d539e3397f
Added to database: 08/18/2026, 00:42:44 UTC
Last enriched: 08/18/2026, 00:56:40 UTC
Last updated: 10/02/2026, 09:36:03 UTC
Views: 68
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