Protection Mechanism Failure in WPE WebKit and WebKitGTK+ - CVE-2026-28971
Published: May 12, 2026 / Updated: May 12, 2026
Vulnerability identifier: #VU131085
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-28971
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures. A malicious iframe may use another website’s download settings, which can lead to browser's UI spoofing.
Affected software
WPE WebKit
WebKitGTK+
macOS
iPadOS
Apple iOS
visionOS
WebKitGTK+
macOS
iPadOS
Apple iOS
visionOS
How to mitigate CVE-2026-28971
Install update from vendor's website.
macOS - update to 26.5 25F71
iPadOS - update to 26.5 23F77
Apple iOS - update to 26.5 23F77
visionOS - update to 26.5
iPadOS - update to 26.5 23F77
Apple iOS - update to 26.5 23F77
visionOS - update to 26.5