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CVE-2026-20676 (GCVE-0-2026-20676)

Vulnerability from cvelistv5 – Published: 2026-02-11 22:58 – Updated: 2026-04-07 14:34
VLAI
Summary
This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.
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 2026-02-17 18:30 UTC
CWE
  • A website may be able to track users through Safari web extensions
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version CPE status
Apple Safari Affected: 0 , < 26.3 (custom)
guessed Create a notification for this product.
Apple iOS and iPadOS Affected: 0 , < 26.3 (custom)
guessed Create a notification for this product.
Apple macOS Affected: 0 , < 26.3 (custom)
guessed Create a notification for this product.
Apple visionOS Affected: 0 , < 26.3 (custom)
guessed Create a notification for this product.
Show details on NVD website
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Taxonomy of the tags.





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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.


Detection rules are retrieved from Rulezet.