CVE-2026-28861
4.3
MEDIUM
CVSS 3.1
EPSS 0.01%
Description
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.
How to fix CVE-2026-28861
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/webkit2gtk—no fix listed
- —no fix listed
Is CVE-2026-28861 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |