macOS
CVE-2025-43463
MEDIUM
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.1. An app may be able to access sensitive user data.
AnalysisAI
Path traversal vulnerability in macOS directory path handling allows local apps with user privileges to read sensitive user data through improper path validation. Affects macOS Sequoia (before 15.7.3), Sonoma (before 14.8.3), and Tahoe (before 26.1). EPSS score of 0.01% indicates minimal real-world exploitation likelihood despite moderate CVSS severity.
Technical ContextAI
The vulnerability stems from CWE-22 (Improper Limitation of a Pathname to a Restricted Directory), a classic path traversal flaw. The macOS kernel or system libraries fail to properly validate and sanitize directory path inputs, allowing an app running with user privileges to construct paths that escape intended directory boundaries and access files outside its permitted scope. The fix involved implementing enhanced path validation logic across affected macOS versions to prevent directory traversal sequences (such as '../' chains) or symlink-based escapes from bypassing access controls.
RemediationAI
Users should immediately update to patched versions: macOS Sequoia 15.7.3 or later, macOS Sonoma 14.8.3 or later, or macOS Tahoe 26.1 or later. No temporary workaround is documented; patching is the sole remediation path. Updates are available through System Preferences > Software Update or by visiting Apple's support pages (https://support.apple.com/en-us/125634, https://support.apple.com/en-us/125887, https://support.apple.com/en-us/125888). Users on unsupported macOS versions should consider upgrading to a currently maintained release.
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Same weakness CWE-22 – Path Traversal
View allSame technique Path Traversal
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External POC / Exploit Code
Leaving vuln.today