Protection Mechanism Failure in WPE WebKit and WebKitGTK+ - CVE-2026-43660
Published: May 12, 2026 / Updated: May 12, 2026
Vulnerability identifier: #VU131066
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-43660
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WPE WebKit
WebKitGTK+
WPE WebKit
WebKitGTK+
Software vendor:
WebKitGTK
WebKitGTK
Description
The vulnerability allows a remote attacker to prevent CSP enforcement.
The vulnerability exists due to insufficient implementation of security measures in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and prevent Content Security Policy from being enforced.
Remediation
Install update from vendor's website.