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AppleCVE-2026-65329

Apple iOS and iPadOS: improper authentication

Medium5.9CVE-2026-65329 · Published Aug 17, 2026 · updated Sep 14, 2026

An authentication issue was addressed with improved state management. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, iOS 27 and iPadOS 27. An attacker in a privileged network position may be able to bypass IPSec authentication and intercept network traffic.

Apple advisory

Affected versions

PackageAffectedFixed in
iOS and iPadOS
Product
< 26.6.126.6.1
< 2727
Details and references
CVSS 3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-287

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