{"items":[{"id":"NVI-00013921","kind":"vulnerability","title":"Docling: Unsafe XML Entity Expansion in USPTO Patent Backend","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-m88r-rg27-5xfg","CVE-2026-44020"],"plain_summary":"GitHub lists this reviewed advisory for docling. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-08a9879cec537593bb0e31fec99eabe1"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-28T18:31:12.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1de24ddc019891160ceea30b938a35ca"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.601%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.48798. Missing scores are unknown.","source_id":"sr-08a9879cec537593bb0e31fec99eabe1"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-1de24ddc019891160ceea30b938a35ca","url":"https://github.com/advisories/GHSA-m88r-rg27-5xfg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m88r-rg27-5xfg","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"},{"id":"sr-08a9879cec537593bb0e31fec99eabe1","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-44020","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.785Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1de24ddc019891160ceea30b938a35ca"],"technology":"docling","known_exclusions":[],"conditions_summary":"### Impact\nThe USPTO patent XML parser used the standard `xml.sax.parseString()` without protection against XML External Entity (XXE) attacks. An attacker could craft malicious USPTO patent XML files with external entity references that could:\n- Read arbitrary files from the server filesystem\n- Perform Server-Side Request Forgery (SSRF) attacks\n- Cause denial of service through entity expansion (Billion Laughs attack)\n\nThe vulnerability affects three USPTO patent format parsers: ICE (v4.x), Grant v2.5, and Application v1.x.\n\n### Patches\nFixed in version 2.74.0. The parser now uses `defusedxml.sax.make_parser()` with secure configuration that blocks external entity resolution (`feature_external_ges=False`, `feature_external_pes=False`) while allowing DTD declarations required by USPTO files. This prevents XXE attacks while maintaining compatibility with the USPTO XML format.\n\n### Workarounds\nAvoid processing USPTO patent XML files from untrusted sources. Implement resource limits (memory, CPU time) when processing patent documents.\n\n### References\n- Fix release: v2.74.0","public_affected_ranges":[">= 2.13.0, < 2.74.0"]}],"null_published_at":"2026-11-04T10:04:41.560Z","source_updated_at":"2026-08-28T18:31:12.000Z","source_disclosed_at":"2026-06-03T21:14:15.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-02T09:56:23.004Z"},{"id":"NVI-00013921","kind":"vulnerability","title":"Docling: Unsafe XML Entity Expansion in USPTO Patent Backend","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-m88r-rg27-5xfg","CVE-2026-44020"],"plain_summary":"GitHub lists this reviewed advisory for docling. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1de24ddc019891160ceea30b938a35ca"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-28T18:31:12.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1de24ddc019891160ceea30b938a35ca"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-1de24ddc019891160ceea30b938a35ca","url":"https://github.com/advisories/GHSA-m88r-rg27-5xfg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m88r-rg27-5xfg","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1de24ddc019891160ceea30b938a35ca"],"technology":"docling","known_exclusions":[],"conditions_summary":"### Impact\nThe USPTO patent XML parser used the standard `xml.sax.parseString()` without protection against XML External Entity (XXE) attacks. An attacker could craft malicious USPTO patent XML files with external entity references that could:\n- Read arbitrary files from the server filesystem\n- Perform Server-Side Request Forgery (SSRF) attacks\n- Cause denial of service through entity expansion (Billion Laughs attack)\n\nThe vulnerability affects three USPTO patent format parsers: ICE (v4.x), Grant v2.5, and Application v1.x.\n\n### Patches\nFixed in version 2.74.0. The parser now uses `defusedxml.sax.make_parser()` with secure configuration that blocks external entity resolution (`feature_external_ges=False`, `feature_external_pes=False`) while allowing DTD declarations required by USPTO files. This prevents XXE attacks while maintaining compatibility with the USPTO XML format.\n\n### Workarounds\nAvoid processing USPTO patent XML files from untrusted sources. Implement resource limits (memory, CPU time) when processing patent documents.\n\n### References\n- Fix release: v2.74.0","public_affected_ranges":[">= 2.13.0, < 2.74.0"]}],"null_published_at":"2026-11-02T10:00:37.174Z","source_updated_at":"2026-08-28T18:31:12.000Z","source_disclosed_at":"2026-06-03T21:14:15.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-02T09:56:23.004Z"}],"next_cursor":null,"snapshot_revision":"39771"}