Open redirect in Apple Safari
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-601.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | Safari | before 26.2 | 26.2 | Patch available | CNA |
| Apple | macOS | before 26.2 | 26.2 | Patch available | CNA |
Remediation
- Fix · CNA Safari (Apple) Fixed in 26.2
- Fix · CNA macOS (Apple) Fixed in 26.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 26.2
14 records Highest priority Priority CRITICAL 1 CRITICAL, 4 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2025-28228 Use after free in Apple SafariPriority CRITICAL 97
- TI-2025-28132 Missing authentication in Apple iOS and iPadOSPriority MEDIUM 50
- TI-2025-29031 Information disclosure in Apple iOS and iPadOSPriority MEDIUM 49
- Release ·
Apple Safari 26.2
8 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2025-28228 Use after free in Apple SafariPriority CRITICAL 97
- TI-2025-28239 Type confusion in Apple SafariPriority MEDIUM 47
- TI-2025-29034 Improper access control in Apple SafariPriority LOW 24
Timeline
- 2026-10-02 Threatist record created from CVE-2025-43526
- 2026-10-03 Alias added: GHSA-338x-j9c9-2c8v
References
More Apple Macos vulnerabilities
- TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2025-43526 · CVE Program
- CVE-2025-43526 · NVD
- FIRST EPSS
- GHSA-338x-j9c9-2c8v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences