A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may bypass Content Security Policy.

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History

Wed, 26 Aug 2026 19:15:00 +0000

Type Values Removed Values Added
Title Content Security Policy Bypass in Safari AudioWorklet
Weaknesses CWE-347

Wed, 26 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 25 Aug 2026 22:00:00 +0000

Type Values Removed Values Added
Title Content Security Policy Bypass in Safari AudioWorklet
Weaknesses CWE-347

Tue, 25 Aug 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Apple safari
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Apple safari

Tue, 25 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
Description A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may bypass Content Security Policy.
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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-08-26T14:03:06.317Z

Reserved: 2026-05-01T22:46:21.640Z

Link: CVE-2026-43670

cve-icon Vulnrichment

Updated: 2026-08-26T14:01:49.466Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-25T20:16:55.600

Modified: 2026-08-26T16:45:12.020

Link: CVE-2026-43670

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T19:00:07Z

Weaknesses