CVE-2026-43700
published 2026-06-29CVE-2026-43700: A cross-origin issue was addressed with improved tracking of security origins. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe…
PriorityP431medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
0.21%
12.0th percentile
A cross-origin issue was addressed with improved tracking of security origins. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may disclose sensitive user information.
Affected
5 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 | safari | < 26.5.2 | 26.5.2 |
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VulDB
Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Web cross-domain policy
vuldb·2026-06-30·CVSS 6.5
CVE-2026-43700 [MEDIUM] Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Web cross-domain policy
A vulnerability, which was classified as problematic, was found in Apple Safari, iOS, iPadOS and macOS up to 26.5.1. This affects an unknown function of the component Web Handler. The manipulation results in permissive cross-domain policy with untrusted domains.
This vulnerability is reported as CVE-2026-43700. The attack can be launched remotely. No exploit exists.
You should upgrade the affected component.
GHSA
A cross-origin issue was addressed with improved tracking of security origins.
ghsa_unreviewed·2026-06-29
CVE-2026-43700 [MEDIUM] CWE-346 A cross-origin issue was addressed with improved tracking of security origins.
A cross-origin issue was addressed with improved tracking of security origins. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may disclose sensitive user information.
No detection rules found.
No public exploits indexed.
2026-06-29
Published