Authorization Issue in Safari and Apple Products
CVE-2026-20691

4.3MEDIUM

Key Information:

Vendor

Apple
Status
Safari
iOS And iPad OS
Mac OS
Visionos
Vendor
CVE Published:
25 March 2026

What is CVE-2026-20691?

An issue regarding authorization was found in Safari and other Apple platforms, leading to potential user fingerprinting from maliciously crafted webpages. This flaw could allow attackers to glean sensitive information about users based on their browsing behavior. Apple has addressed this issue in several product updates, enhancing state management to prevent unauthorized data access.

Affected Version(s)

iOS and iPadOS 0 < 26.4

macOS 0 < 26.4

Safari 0 < 26.4

References

https://support.apple.com/en-us/126792
https://support.apple.com/en-us/126794
https://support.apple.com/en-us/126798

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.