CVE-2026-43660 (GCVE-0-2026-43660)

Vulnerability from cvelistv5 – Published: 2026-05-11 20:07 – Updated: 2026-05-13 19:58
VLAI
Summary
A validation issue was addressed with improved logic. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • Processing maliciously crafted web content may prevent Content Security Policy from being enforced
  • CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
Vendor Product Version
Apple Safari Affected: 0 , < 26.5 (custom)
Create a notification for this product.
Apple iOS and iPadOS Affected: 0 , < 18.7.9 (custom)
Affected: 0 , < 26.5 (custom)
Create a notification for this product.
Apple macOS Affected: 0 , < 26.5 (custom)
Create a notification for this product.
Apple tvOS Affected: 0 , < 26.5 (custom)
Create a notification for this product.
Apple visionOS Affected: 0 , < 26.5 (custom)
Create a notification for this product.
Apple watchOS Affected: 0 , < 26.5 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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Tags
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.