Shodan
Maps
Images
Monitor
Developer
More...
Dashboard
View Api Docs
Vulnerabilities
By Date
Known Exploited
Advanced Search
Vulnerable Software
Vendors
Products
Vulnerability Details CVE-2026-56411
xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.
Exploit prediction scoring system (EPSS) score
CVSS Severity
CVSS v3 Score
6.9
References
https://github.com/libexpat/libexpat/pull/1263
Products
Monitor
Search Engine
Developer API
Maps
Bulk Data
Images
Snippets
Pricing
Membership
API Subscriptions
Enterprise
Contact Us
support@shodan.io
Shodan ® - All rights reserved