{"affected":[{"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-748j-wm96-4wh5/GHSA-748j-wm96-4wh5.json"},"package":{"ecosystem":"Maven","name":"io.apicurio:apicurio-registry-schema-util-xml","purl":"pkg:maven/io.apicurio/apicurio-registry-schema-util-xml"},"ranges":[{"events":[{"introduced":"3.3.0"},{"fixed":"3.3.1"}],"type":"ECOSYSTEM"}],"versions":["3.3.0"]},{"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-748j-wm96-4wh5/GHSA-748j-wm96-4wh5.json"},"package":{"ecosystem":"Maven","name":"io.apicurio:apicurio-registry-schema-util-xml","purl":"pkg:maven/io.apicurio/apicurio-registry-schema-util-xml"},"ranges":[{"events":[{"introduced":"0"},{"fixed":"3.2.6"}],"type":"ECOSYSTEM"}],"versions":["2.1.4.Final","2.1.5.Final","2.2.0.Final","2.2.1.Final","2.2.2.Final","2.2.3.Final","2.2.4.Final","2.2.5.Final","2.3.0.Final","2.3.1.Final","2.4.0.Final","2.4.1.Final","2.4.10.Final","2.4.11.Final","2.4.12.Final","2.4.13.Final","2.4.14.Final","2.4.2.Final","2.4.3.Final","2.4.4.Final","2.4.5.Final","2.4.6.Final","2.4.7.Final","2.4.8.Final","2.4.9.Final","2.5.0.Final","2.5.1.Final","2.5.10.Final","2.5.11.Final","2.5.2.Final","2.5.3.Final","2.5.5.Final","2.5.6.Final","2.5.7.Final","2.5.8.Final","2.5.9.Final","2.6.0.Final","2.6.1.Final","2.6.11.Final","2.6.12.Final","2.6.13.Final","2.6.2.Final","2.6.3.Final","2.6.4.Final","2.6.5.Final","2.6.6.Final","2.6.7.Final","2.6.8.Final","2.6.9.Final","3.0.0","3.0.0.M1","3.0.0.M2","3.0.0.M3","3.0.0.M4","3.0.0.M5","3.0.1","3.0.10","3.0.11","3.0.12","3.0.13","3.0.14","3.0.15","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.1","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.2.0","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5"]}],"aliases":["CVE-2026-12993"],"database_specific":{"cwe_ids":["CWE-776"],"github_reviewed":true,"github_reviewed_at":"2026-11-04T18:12:08Z","nvd_published_at":"2026-06-26T00:16:50Z","severity":"MODERATE"},"details":"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.","id":"GHSA-748j-wm96-4wh5","modified":"2026-11-04T18:30:03.811147678Z","published":"2026-06-26T00:32:07Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12993"},{"type":"WEB","url":"https://github.com/Apicurio/apicurio-registry/issues/8189"},{"type":"WEB","url":"https://github.com/Apicurio/apicurio-registry/pull/8200"},{"type":"WEB","url":"https://github.com/Apicurio/apicurio-registry/commit/03cd1cc081d9b1b4c8b9a59330ff4c980dc68b73"},{"type":"WEB","url":"https://github.com/Apicurio/apicurio-registry/commit/48369d0e9008f7aab16dce5970c1ecbdd55e9aa5"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:59360"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-12993"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2491692"},{"type":"WEB","url":"https://github.com/Apicurio/apicurio-registry/releases/tag/3.3.1"},{"type":"WEB","url":"https://github.com/Apicurio/apicurio-registry/releases/tag/v3.2.6"},{"type":"PACKAGE","url":"https://github.com/apicurio/apicurio-registry"}],"schema_version":"1.9.2","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"}],"summary":"Apicurio Registry is vulnerable to denial of service through XML entity expansion"}