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Vulnerability record · CVE-2025-43526 · published 17 December 2025

CVE-2025-43526: Apple safari open redirect vulnerability

Apple · Safari

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.

9.8 CVSS 3.1 Critical EPSS 0.53% · top 57.3% CWE-601 · Open redirect
9.8CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/en-us/125886 Release NotesVendor Advisory
https://support.apple.com/en-us/125892 Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-43526), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.