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Vulnerability record · CVE-2026-20683 · published 14 September 2026

CVE-2026-20683: Apple ipados improper authentication vulnerability

Apple · Ipados

An authentication issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27. An app may be able to use the Sign In With Apple authentication flow to access the user's Apple Account.

7.1 CVSS 3.1 High EPSS 0.19% · top 92.4% CWE-287 · Improper authentication
7.1CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
5References
17 Sep 2026Last modified by NVD

Description

An authentication issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27. An app may be able to use the Sign In With Apple authentication flow to access the user's Apple Account.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/en-us/149034 Release NotesVendor Advisory
https://support.apple.com/en-us/149035 Release NotesVendor Advisory
https://support.apple.com/en-us/149038 Release NotesVendor Advisory
https://support.apple.com/en-us/149042 Release NotesVendor Advisory
https://support.apple.com/en-us/149043 Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-20683), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.