Memory corruption in WPE WebKit and WebKitGTK+ - CVE-2026-28859
Published: March 25, 2026 / Updated: March 30, 2026
Vulnerability identifier: #VU124402
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-28859
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WebKitGTK
Affected software:
WPE WebKit
WebKitGTK+
WPE WebKit
WebKitGTK+
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation in WebKit when processing web content. A remote attacker can trick the victim into visiting a specially crafted website and force the browser into processing restricted web content outside the sandbox.
How to mitigate CVE-2026-28859
Install update from vendor's website.