High severity8.5NVD Advisory· Published Jun 25, 2026· Updated Aug 25, 2026
CVE-2026-12975
CVE-2026-12975
Description
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.
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Affected products
2- cpe:2.3:a:redhat:build_of_apicurio_registry:*:*:*:*:*:*:*:*Range: >=3.0,<=3.2
Patches
Vulnerability mechanics
References
4- access.redhat.com/security/cve/CVE-2026-12975nvdVendor Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingVendor Advisory
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12975.jsonnvdVendor Advisory
- access.redhat.com/errata/RHSA-2026:59360nvd
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