CVE-2026-43735
published 2026-06-29CVE-2026-43735: The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may…
PriorityP339high8.1CVSS 3.1
AVNACLPRNUIRSUCHIHAN
EPSS
0.16%
5.9th percentile
The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may exfiltrate data cross-origin.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.5.2 | 26.5.2 |
| apple | ipados | < 26.5.2 | 26.5.2 |
| apple | iphone_os | < 26.5.2 | 26.5.2 |
| apple | macos | < 26.5.2 | 26.5.2 |
| apple | macos | >= 26.0 < 26.5.2 | 26.5.2 |
| apple | safari | < 26.5.2 | 26.5.2 |
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VulDB
Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Website cross-domain policy
vuldb·2026-06-30
CVE-2026-43735 [LOW] Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Website cross-domain policy
A vulnerability marked as problematic has been reported in Apple Safari, iOS, iPadOS and macOS up to 26.5.1. Affected by this issue is some unknown functionality of the component Website Handler. This manipulation causes permissive cross-domain policy with untrusted domains.
The identification of this vulnerability is CVE-2026-43735. It is possible to initiate the attack remotely. There is no exploit available.
It is suggested to upgrade the affected component.
GHSA
The issue was addressed with improved checks.
ghsa_unreviewed·2026-06-29
CVE-2026-43735 [HIGH] CWE-352 The issue was addressed with improved checks.
The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may exfiltrate data cross-origin.
No detection rules found.
No public exploits indexed.
2026-06-29
Published