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TI-2026-23055 Aliases CVE-2026-28866GHSA-8j28-3434-4q9h

Link following in Apple iOS and iPadOS

Priority LOW 27CWE-59Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-59 and the CVSS impact.

Summary

This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00241 15th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 18.7.7, 26.4macOS (Apple): 14.8.5, 15.7.5, 26.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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 18.7.7; before 26.418.7.7, 26.4Patch availableCNA
ApplemacOSbefore 14.8.5; before 15.7.5; before 26.414.8.5, 15.7.5, 26.4Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 18.7.7; before 26.4 Fixed in 18.7.7, 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

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 18.7.7; 26.0 to before 26.4VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 18.7.7; 26.0 to 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:ipados:*:*:*:*:*:*:*:* Versions before 18.7.7; 26.0 to before 26.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.7.7; 26.0 to 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

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.7, 26.4
  • Fix · CNA macOS (Apple) Fixed in 14.8.5, 15.7.5, 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-2026-16744 Path traversal in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2026-23079 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 40
    Show all 40 records →
  • Release ·

    Apple iOS and iPadOS 18.7.7, 26.4

    16 records Highest priority Priority LOW 16 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 16 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28866
  2. 2026-10-03 Alias added: GHSA-8j28-3434-4q9h

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