CVE-2026-20691 (GCVE-0-2026-20691)

Vulnerability from cvelistv5 – Published: 2026-03-25 00:35 – Updated: 2026-04-02 18:27
VLAI
Summary
An authorization issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. A maliciously crafted webpage may be able to fingerprint the user.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-25 15:08 UTC
CWE
  • A maliciously crafted webpage may be able to fingerprint the user
  • CWE-497 - Exposure of Sensitive System Information to an Unauthorized Control Sphere
Assigner
References
Impacted products
Vendor Product Version CPE status
Apple Safari Affected: 0 , < 26.4 (custom)
guessed Create a notification for this product.
Apple iOS and iPadOS Affected: 0 , < 26.4 (custom)
guessed Create a notification for this product.
Apple macOS Affected: 0 , < 26.4 (custom)
guessed Create a notification for this product.
Apple visionOS Affected: 0 , < 26.4 (custom)
guessed Create a notification for this product.
Apple watchOS Affected: 0 , < 26.4 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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