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CVE-2026-43713 is an improper access control vulnerability in WebKit affecting Safari, multiple Apple operating systems, WebKitGTK, and WPE WebKit. Insufficient permission restrictions may allow sensitive data to leak when a user visits a website. WebKitGTK and WPE WebKit versions before 2.52.5 are affected. The issue was corrected by adding permission restrictions. The specific vulnerable function and the types of exposed data are not identified.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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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.
28 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A permissions vulnerability affecting webkit2gtk and listed Apple products can expose sensitive data when a user visits a website. The plugin assigns a CVSS v3 base score of 6.5 (Medium), with high confidentiality impact and no integrity or availability impact. The recommended fix is to update webkit2gtk and related packages to version 2.52.5-1~deb13u1 or later. Listed Apple fixes include Safari 26.5.2, iOS and iPadOS 26.5.2, macOS Tahoe 26.5.2, and tvOS, visionOS, and watchOS 26.6.
A WebKitGTK information-disclosure vulnerability through which visiting a website may leak sensitive data.
A WebKitGTK vulnerability in which visiting a website may leak sensitive data. The advisory includes a fix in the webkit2gtk3 security update.
A WebKitGTK vulnerability that may leak sensitive data when a user visits a website.
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.