CVE-2026-12993 - Apicurio/apicurio-registry: apicurio-registry: xml entity-expansion denial of service via internal dtd subset

CVE-2026-12993 - Apicurio/apicurio-registry: apicurio-registry: xml entity-expansion denial of service via internal dtd subset

https://cvefeed.io/rssfeed/latest.atom / Fri, 06/26/2026 - 04:02
CVE ID :CVE-2026-12993
Published : June 25, 2026, 11:23 p.m. | 1 hour, 18 minutes ago
Description :A flaw was found in Apicurio Registry. The DocumentBuilderAccessor correctly blocks external DTD and schema access but does not disable DOCTYPE declarations or enable FEATURE_SECURE_PROCESSING. An attacker with artifact-write permission can upload XML documents with internal entity-expansion payloads (billion-laughs variant) that cause CPU and heap exhaustion, partially mitigated by the JAXP default 64,000 entity-expansion limit.
Severity: 6.5 | MEDIUM
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