CVE-2026-43791

macOS Arbitrary File Read via Input Validation Flaw

Published Sep 14, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to read arbitrary files.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title macOS Arbitrary File Read via Input Validation Flaw
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Weaknesses CWE-22
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
Title Arbitrary File Read via Input Validation Flaw in macOS
Weaknesses CWE-20
CWE-200
CWE-22
Type Values Removed Values Added
Title Arbitrary File Read via Input Validation Flaw in macOS
Weaknesses CWE-20
CWE-200
CWE-22
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to read arbitrary files.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:36 PM
Reserved
May 1, 2026, 10:46 PM
Status
Modified
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 17, 2026, 3:16 PM