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TI-2026-16744 Aliases CVE-2026-20688GHSA-8x27-8fvr-pw94

Path traversal in Apple iOS and iPadOS

Priority MEDIUM 42CWE-22Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

A path handling issue was addressed with improved validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. An app may be able to break out of its sandbox.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00285 21st percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 26.4macOS (Apple): 14.8.5, 15.7.5, 26.4+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 26.426.4Patch availableCNA
ApplemacOSbefore 14.8.5; before 15.7.5; before 26.414.8.5, 15.7.5, 26.4Patch availableCNA
ApplevisionOSbefore 26.426.4Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 26.4 Fixed in 26.4 Patch available CNA
  • macOS VendorApple Affected before 14.8.5; before 15.7.5; before 26.4 Fixed in 14.8.5, 15.7.5, 26.4 Patch available CNA
  • visionOS VendorApple Affected before 26.4 Fixed in 26.4 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.4VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.4VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*14.0 to before 14.8.5; 15.0 to before 15.7.5; 26.0 to before 26.4VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 26.4VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 14.0 to before 14.8.5; 15.0 to before 15.7.5; 26.0 to before 26.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 26.4 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 26.4
  • Fix · CNA macOS (Apple) Fixed in 14.8.5, 15.7.5, 26.4
  • Fix · CNA visionOS (Apple) Fixed in 26.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple macOS 14.8.5, 15.7.5, 26.4

    40 records Highest priority Priority MEDIUM 3 MEDIUM, 37 LOW

    Other records, highest priority first

    • TI-2026-23021 Path traversal in Apple macOSPriority MEDIUM 42
    • TI-2026-23079 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-16756 Protection mechanism failure in Apple macOSPriority LOW 39
    Show all 40 records →
  • Release ·

    Apple visionOS 26.4

    27 records Highest priority Priority MEDIUM 1 MEDIUM, 26 LOW

    Other records, highest priority first

    • TI-2026-23066 Information disclosure in Apple iOS and iPadOSPriority LOW 37
    • TI-2026-23068 Improper access control in Apple iOS and iPadOSPriority LOW 36
    • TI-2026-16721 Protection mechanism failure in Apple SafariPriority LOW 36
    Show all 27 records →
Show 1 more group
  • Release ·

    Apple iOS and iPadOS 26.4

    16 records Highest priority Priority MEDIUM 3 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2026-23047 Buffer overflow in Apple iOS and iPadOSPriority MEDIUM 50
    • TI-2026-23079 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-23063 Buffer overflow in Apple iOS and iPadOSPriority LOW 39
    Show all 16 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20688
  2. 2026-10-03 Alias added: GHSA-8x27-8fvr-pw94

References

Advisory 5

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences