{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-123356", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-11-05T20:43:10.419Z", "datePublished": "2026-11-06T18:33:33.986Z", "dateUpdated": "2026-11-06T18:33:33.986Z"}, "containers": {"cna": {"title": "GROBID: Unauthenticated `/api/modelTraining` Endpoint Allows Unbounded Thread Pool Creation (DoS)", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/grobidOrg/grobid/security/advisories/GHSA-g2r5-4c8r-c84f", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/grobidOrg/grobid/security/advisories/GHSA-g2r5-4c8r-c84f"}, {"name": "https://github.com/grobidOrg/grobid/pull/1477", "tags": ["x_refsource_MISC"], "url": "https://github.com/grobidOrg/grobid/pull/1477"}, {"name": "https://github.com/grobidOrg/grobid/commit/3227e9a6a990ec1687173045f119c24e17d10103", "tags": ["x_refsource_MISC"], "url": "https://github.com/grobidOrg/grobid/commit/3227e9a6a990ec1687173045f119c24e17d10103"}, {"name": "https://github.com/grobidOrg/grobid/releases/tag/0.9.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/grobidOrg/grobid/releases/tag/0.9.1"}], "affected": [{"vendor": "grobidOrg", "product": "grobid", "versions": [{"version": "< 0.9.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-06T18:33:33.986Z"}, "descriptions": [{"lang": "en", "value": "GROBID is machine learning software for extracting information from scholarly documents. Prior to 0.9.1, the unauthenticated /api/modelTraining endpoint calls GrobidRestProcessTraining.trainModel in GrobidRestProcessTraining.java, where each request creates Executors.newFixedThreadPool(1), submits a training task, and leaves the executor running. Repeated requests permanently retain JVM worker threads and can exhaust process or operating-system thread capacity, degrading or stopping request processing. This issue is fixed in version 0.9.1."}], "source": {"advisory": "GHSA-g2r5-4c8r-c84f", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "grobid", "vendor": "grobidOrg", "versions": [{"status": "affected", "version": "< 0.9.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GROBID is machine learning software for extracting information from scholarly documents. Prior to 0.9.1, the unauthenticated /api/modelTraining endpoint calls GrobidRestProcessTraining.trainModel in GrobidRestProcessTraining.java, where each request creates Executors.newFixedThreadPool(1), submits a training task, and leaves the executor running. Repeated requests permanently retain JVM worker threads and can exhaust process or operating-system thread capacity, degrading or stopping request processing. This issue is fixed in version 0.9.1."}], "id": "CVE-2026-123356", "lastModified": "2026-11-06T19:17:44.220", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-06T19:17:44.220", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/grobidOrg/grobid/commit/3227e9a6a990ec1687173045f119c24e17d10103"}, {"source": "security-advisories@github.com", "url": "https://github.com/grobidOrg/grobid/pull/1477"}, {"source": "security-advisories@github.com", "url": "https://github.com/grobidOrg/grobid/releases/tag/0.9.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/grobidOrg/grobid/security/advisories/GHSA-g2r5-4c8r-c84f"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.9.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "grobid", "source": "cna", "vendor": "grobidOrg"}, "product": "grobid", "vendor": "grobidorg"}], "created": "2026-11-06T19:30:10.579669+00:00", "updated": "2026-11-06T21:12:28.630273+00:00", "vendors": ["grobidorg", "grobidorg$PRODUCT$grobid"]}