{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-31247", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-05-11T15:26:07.806Z", "dateReserved": "2026-03-09T00:00:00.000Z", "datePublished": "2026-05-11T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-05-11T15:26:07.806Z"}, "descriptions": [{"lang": "en", "value": "Docling's JATS XML backend is vulnerable to XML Entity Expansion (XXE) attacks thru 2.61.0. The backend uses etree.parse() to parse XML files without disabling entity resolution. An attacker can craft a malicious XML file containing a nested entity expansion payload (XML Bomb). When processed by Docling, the exponential expansion of entities leads to excessive resource consumption, resulting in a denial of service (DoS) condition on the system running the Docling parser."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/docling-project/docling"}, {"url": "https://www.notion.so/CVE-2026-31247-35d1e1393188818fa654c116c6a470bb"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Docling's JATS XML backend is vulnerable to XML Entity Expansion (XXE) attacks thru 2.61.0. The backend uses etree.parse() to parse XML files without disabling entity resolution. An attacker can craft a malicious XML file containing a nested entity expansion payload (XML Bomb). When processed by Docling, the exponential expansion of entities leads to excessive resource consumption, resulting in a denial of service (DoS) condition on the system running the Docling parser."}], "id": "CVE-2026-31247", "lastModified": "2026-05-11T16:17:29.743", "metrics": {}, "published": "2026-05-11T16:17:29.743", "references": [{"source": "cve@mitre.org", "url": "https://github.com/docling-project/docling"}, {"source": "cve@mitre.org", "url": "https://www.notion.so/CVE-2026-31247-35d1e1393188818fa654c116c6a470bb"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received"}

{}

{"created": "2026-05-11T16:45:15.918633+00:00", "title": "XML Entity Expansion in Docling JATS XML Backend Causes Denial of Service", "updated": "2026-05-11T16:45:15.918655+00:00", "vendors": [], "weaknesses": ["CWE-606", "CWE-749"]}