{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2026-44599", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-05-07T02:11:55.866Z", "datePublished": "2026-05-07T02:11:56.238Z", "dateUpdated": "2026-05-07T12:48:40.800Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Tor", "vendor": "torproject", "versions": [{"lessThan": "0.4.9.7", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Tor before 0.4.9.7 can attempt or accept BEGIN_DIR via conflux legs, aka TROVE-2026-008."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-669", "description": "CWE-669 Incorrect Resource Transfer Between Spheres", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-05-07T03:24:37.843Z"}, "references": [{"url": "https://forum.torproject.org/c/news/tor-release-announcement/28"}, {"url": "https://www.openwall.com/lists/oss-security/2026/05/06/8"}, {"url": "https://gitlab.torproject.org/tpo/core/tor/-/work_items/41243"}, {"url": "https://gitlab.torproject.org/tpo/core/tor/-/commit/50f90ba849088247734786922855c22661c6fa03"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.4.9.7"}]}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-07T12:47:28.922671Z", "id": "CVE-2026-44599", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-07T12:48:40.800Z"}}]}, "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-44599", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-07T12:47:28.922671Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-07T12:47:35.446Z"}}], "cna": {"metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "torproject", "product": "Tor", "versions": [{"status": "affected", "version": "0", "lessThan": "0.4.9.7", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://forum.torproject.org/c/news/tor-release-announcement/28"}, {"url": "https://www.openwall.com/lists/oss-security/2026/05/06/8"}, {"url": "https://gitlab.torproject.org/tpo/core/tor/-/work_items/41243"}, {"url": "https://gitlab.torproject.org/tpo/core/tor/-/commit/50f90ba849088247734786922855c22661c6fa03"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "descriptions": [{"lang": "en", "value": "Tor before 0.4.9.7 can attempt or accept BEGIN_DIR via conflux legs, aka TROVE-2026-008."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-669", "description": "CWE-669 Incorrect Resource Transfer Between Spheres"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "0.4.9.7"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-05-07T03:24:37.843Z"}}}, "cveMetadata": {"cveId": "CVE-2026-44599", "state": "PUBLISHED", "dateUpdated": "2026-05-07T12:48:40.800Z", "dateReserved": "2026-05-07T02:11:55.866Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2026-05-07T02:11:56.238Z", "assignerShortName": "mitre"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Tor before 0.4.9.7 can attempt or accept BEGIN_DIR via conflux legs, aka TROVE-2026-008."}], "id": "CVE-2026-44599", "lastModified": "2026-05-07T03:16:07.327", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-05-07T03:16:07.327", "references": [{"source": "cve@mitre.org", "url": "https://forum.torproject.org/c/news/tor-release-announcement/28"}, {"source": "cve@mitre.org", "url": "https://gitlab.torproject.org/tpo/core/tor/-/commit/50f90ba849088247734786922855c22661c6fa03"}, {"source": "cve@mitre.org", "url": "https://gitlab.torproject.org/tpo/core/tor/-/work_items/41243"}, {"source": "cve@mitre.org", "url": "https://www.openwall.com/lists/oss-security/2026/05/06/8"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-669"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.4.9.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "inferred", "scores": [{"score": 100.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Tor", "source": "cna", "vendor": "torproject"}, "product": "tor", "vendor": "torproject"}], "created": "2026-05-07T04:30:20.941574+00:00", "title": "Tor Conflux Leg Vulnerability Allowing Unauthorized BEGIN_DIR Handling", "updated": "2026-05-07T05:00:12.780459+00:00", "vendors": ["torproject", "torproject$PRODUCT$tor"]}