This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac with Lockdown Mode enabled, web content opened via a file URL may be able to use Web APIs that should be restricted.
References
| Link | Resource |
|---|---|
| https://support.apple.com/en-us/125886 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125892 | Release Notes Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
02 Apr 2026, 19:20
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (en) This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac with Lockdown Mode enabled, web content opened via a file URL may be able to use Web APIs that should be restricted. |
18 Dec 2025, 20:36
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Apple macos
Apple Apple safari |
|
| CPE | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
|
| References | () https://support.apple.com/en-us/125886 - Release Notes, Vendor Advisory | |
| References | () https://support.apple.com/en-us/125892 - Release Notes, Vendor Advisory |
18 Dec 2025, 20:15
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-601 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 9.8 |
17 Dec 2025, 21:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-12-17 21:16
Updated : 2026-04-02 19:20
NVD link : CVE-2025-43526
Mitre link : CVE-2025-43526
CVE.ORG link : CVE-2025-43526
JSON object : View
Products Affected
apple
- safari
- macos
CWE
CWE-601
URL Redirection to Untrusted Site ('Open Redirect')