{"id":"CVE-2026-12975","aliases":["EUVD-2026-39574","GHSA-7g64-f2hm-vjxp"],"status":"published","title":"Apicurio/apicurio-registry: apicurio-registry: unhardened saxparser in content-type detection leads to blind xxe / ssrf / billion-laughs dos","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.","severity":{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00437,"percentile":0.383,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-611"],"published":"2026-06-25T21:12:31Z","modified":"2026-11-04T18:00:05Z","fixes":[{"ecosystem":"Maven","package":"io.apicurio:apicurio-registry-schema-util-common","fixed_in":["3.3.1","3.2.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"io.apicurio:apicurio-registry-schema-util-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"fixed":"3.3.1"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"io.apicurio:apicurio-registry-schema-util-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.6"}]}]},{"source":"osv","ecosystem":"Maven","package":"io.apicurio:apicurio-registry-schema-util-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"fixed":"3.3.1"}]}],"versions":["3.3.0"]},{"source":"osv","ecosystem":"Maven","package":"io.apicurio:apicurio-registry-schema-util-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.6"}]}],"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"]}],"products":[{"vendor":"red hat","product":"red hat build of apicurio registry 3.3.1"},{"vendor":"redhat","product":"build_of_apicurio_registry"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:59360","tags":["vendor-advisory","x_refsource_REDHAT","web"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-12975","tags":["vdb-entry","x_refsource_REDHAT","Vendor Advisory","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2491688","tags":["issue-tracking","x_refsource_REDHAT","Issue Tracking","Vendor Advisory","web"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12975.json","tags":["x_sadp-csaf-vex","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12975","tags":["advisory"]},{"url":"https://github.com/Apicurio/apicurio-registry/issues/8187","tags":["web"]},{"url":"https://github.com/Apicurio/apicurio-registry/pull/8197","tags":["web"]},{"url":"https://github.com/Apicurio/apicurio-registry/commit/48369d0e9008f7aab16dce5970c1ecbdd55e9aa5","tags":["web"]},{"url":"https://github.com/Apicurio/apicurio-registry/commit/a744fcb65991bbf04d4882f888655112afc5b06a","tags":["web"]},{"url":"https://github.com/Apicurio/apicurio-registry/releases/tag/3.2.6","tags":["web"]},{"url":"https://github.com/Apicurio/apicurio-registry/releases/tag/3.3.1","tags":["web"]},{"url":"https://github.com/advisories/GHSA-7g64-f2hm-vjxp"},{"url":"https://github.com/apicurio/apicurio-registry","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-12975","title":"Apicurio/apicurio-registry: apicurio-registry: unhardened saxparser in content-type detection leads to blind xxe / ssrf / billion-laughs dos","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.","status":"published","published":"2026-06-25T21:12:31.301Z","modified":"2026-08-26T12:04:54.899Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","level":"high","assessor":"cna"},{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-611","CWE-611"],"updated_at":"2026-11-02T14:19:48.461833Z"}],"euvd":[{"id":"EUVD-2026-39574","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.","status":"published","published":"2026-06-25T21:12:31Z","modified":"2026-08-26T12:04:54Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:31.718552Z"}],"ghsa":[{"id":"GHSA-7g64-f2hm-vjxp","title":"Apicurio Registry utilities allow SSRF and denial of service through XML parsing","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.","status":"published","published":"2026-06-26T00:32:05Z","modified":"2026-11-04T17:49:19Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-611"],"updated_at":"2026-11-04T17:54:42.099855Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-06-25T22:17:00.62Z","modified":"2026-10-25T22:10:00.15Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:12:26.045561Z"}],"osv":[{"id":"GHSA-7g64-f2hm-vjxp","title":"Apicurio Registry utilities allow SSRF and denial of service through XML parsing","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.","status":"published","published":"2026-06-26T00:32:05Z","modified":"2026-11-04T18:00:05.261433596Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-611"],"updated_at":"2026-11-04T18:14:30.320761Z"}]}}