CVE-2026-6732

A flaw was found in libxml2. This vulnerability occurs when the library processes a specially crafted XML Schema Definition (XSD) validated document that includes an internal entity reference. An attacker could exploit this by providing a malicious document, leading to a type confusion error that causes the application to crash. This results in a denial of service (DoS), making the affected system or application unavailable.

• CWE-843

• https://access.redhat.com/errata/RHSA-2026:11503Third Party Advisory
• https://access.redhat.com/security/cve/CVE-2026-6732Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2461300Issue Tracking, Third Party Advisory
• https://gitlab.gnome.org/GNOME/libxml2/-/issues/1097Exploit, Issue Tracking, Third Party Advisory
• https://gitlab.gnome.org/GNOME/libxml2/-/merge_requests/411Issue Tracking, Third Party Advisory

Published

Apr 23, 2026

Last Modified

Jun 30, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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