CVE-2026-12975

A flaw was found in Apicurio Registry. The ContentTypeUtil.isParsableXml() method creates a SAXParserFactory without enabling secure processing features or disabling external entity resolution. An attacker with artifact-write permission (or unauthenticated when the registry runs with default configuration) can upload a crafted XML document to trigger blind server-side request forgery (SSRF) via external DTD/entity fetch, or cause denial of service via entity expansion.

• CWE-611
• CWE-611

• https://access.redhat.com/security/cve/CVE-2026-12975Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2491688Issue Tracking, Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2026-12975Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2491688Issue Tracking, Vendor Advisory
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12975.jsonVendor Advisory

Published

Jun 25, 2026

Last Modified

Jul 15, 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.
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