Path Traversal in Apple macOS
CVE-2026-43791
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- support.apple.com/en-us/149035 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149042 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149043 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-43791?
- CVE-2026-43791 is a medium-severity vulnerability in Apple macOS, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-09-14.
- How severe is CVE-2026-43791?
- Medium severity. CVSS v3 base score is 6.5 out of 10.