CVE-2026-65329

IPSec Authentication Bypass in iOS and iPadOS

Published Aug 17, 2026 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title IPSec Authentication Bypass in iOS and iPadOS
Type Values Removed Values Added
Description An authentication issue was addressed with improved state management. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1. An attacker in a privileged network position may be able to bypass IPSec authentication and intercept network traffic. 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.
References
Type Values Removed Values Added
First Time appeared Apple ipados
Apple iphone Os
CPEs cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Vendors & Products Apple ipados
Apple iphone Os
Type Values Removed Values Added
Title IPSec Authentication Bypass in iOS/iPadOS Enables Traffic Interception
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title IPSec Authentication Bypass in iOS/iPadOS Enables Traffic Interception
Weaknesses CWE-287
Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Vendors & Products Apple
Apple ios And Ipados
Type Values Removed Values Added
Description An authentication issue was addressed with improved state management. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1. An attacker in a privileged network position may be able to bypass IPSec authentication and intercept network traffic.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:34 PM
Reserved
Jul 22, 2026, 12:45 AM
Status
Modified
Published
Aug 17, 2026, 10:17 PM
Modified
Oct 23, 2026, 4:10 PM