CVE-2026-28861
4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Summary
A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apple | Safari | 0 < 26.4 | affected |
| Apple | iOS and iPadOS | 0 < 18.7.7 | affected |
| Apple | iOS and iPadOS | 0 < 26.4 | affected |
| Apple | macOS | 0 < 26.4 | affected |
| Apple | visionOS | 0 < 26.4 | affected |
Weaknesses
- A malicious website may be able to access script message handlers intended for other origins
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
webkitgtk: A malicious website may be able to access script message handlers intended for other origins
Additional References
- https://access.redhat.com/security/cve/CVE-2026-28861
- https://bugzilla.redhat.com/show_bug.cgi?id=2453007
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28861.json
References
- https://support.apple.com/en-us/126792
- https://support.apple.com/en-us/126793
- https://support.apple.com/en-us/126794
- https://support.apple.com/en-us/126799
- https://support.apple.com/en-us/126800
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