Loading vulnerability…
CVE-2026-43721 is a clipboard-handling vulnerability in WebKit caused by improper state management. A malicious website may be able to silently hijack clipboard data. The vulnerability affects WebKitGTK and WPE WebKit versions before 2.52.5 and affected versions of Safari and Apple operating systems. The issue was corrected through improved state management; the specific vulnerable function and technical exploitation mechanism are not publicly detailed in the available information.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
30 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A state-management vulnerability affecting WebKit-related software that may allow a malicious website to silently hijack clipboard data. The advisory assigns a CVSS v3 base score of 6.5, indicating network-based exploitation requiring user interaction, with high confidentiality impact. The prescribed fix is to update webkit2gtk and related packages to version 2.52.5-1~deb13u1 or later. Apple fixes are also listed.
A WebKitGTK vulnerability that may allow a malicious website to silently hijack clipboard data.
A WebKitGTK vulnerability allowing a malicious website to silently hijack clipboard data. The advisory includes a fix in the webkit2gtk3 security update.
A WebKitGTK vulnerability allowing a malicious website to silently hijack clipboard data.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.