CVE-2026-43791
Undergoing Analysis Undergoing Analysis - In Progress

Improper Input Validation in macOS Golden Gate

Vulnerability report for CVE-2026-43791, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-10-05
AI Q&A
2026-09-15
EPSS Evaluated
2026-10-04
NVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
apple macos_golden_gate 27
apple macos_sequoia 15.8
apple macos_tahoe 26.7

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a validation issue caused by insufficient input sanitization in Apple's macOS versions Golden Gate 27, Sequoia 15.8, and Tahoe 26.7. It allows an app to read arbitrary files on the system due to improper handling of user input.

Detection Guidance

This vulnerability is specific to Apple macOS versions and involves arbitrary file reading due to insufficient input sanitization. Detection requires checking macOS version and reviewing app permissions. No direct network detection commands are provided. Verify macOS version with 'sw_vers' and check for unauthorized file access in system logs.

Impact Analysis

An attacker could exploit this flaw to access sensitive files on your system, potentially leading to unauthorized data exposure or privacy breaches. This could include personal documents, system files, or other confidential information.

Compliance Impact

The vulnerability allows an app to read arbitrary files, which could lead to unauthorized access to sensitive data. This may impact compliance with GDPR (data protection) and HIPAA (health information privacy) by increasing the risk of data breaches or unauthorized data exposure.

Mitigation Strategies

Update to the latest versions of macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to address the input sanitization issue.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-43791. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart