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.
Published: 2026-08-25
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 27 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple ipados
Apple iphone Os
CPEs cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Vendors & Products Apple ipados
Apple iphone Os

Wed, 26 Aug 2026 23:30:00 +0000

Type Values Removed Values Added
Title AudioWorklet CSP Bypass in Safari, iOS, iPadOS, macOS

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.
References

Subscriptions

Apple Ios And Ipados Ipados Iphone Os Macos Safari
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 : Analyzed

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

Modified: 2026-08-27T17:14:29.300

Link: CVE-2026-43670

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T23:15:05Z

Weaknesses
  • CWE-693

    Protection Mechanism Failure