{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89087", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-09-10T19:55:43.954Z", "datePublished": "2026-09-10T19:55:44.327Z", "dateUpdated": "2026-09-10T19:55:44.327Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "packageURL": "pkg:opam/cstruct", "product": "cstruct", "vendor": "OCaml", "versions": [{"lessThan": "6.3.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "The cstruct package before 6.3.0 for OCaml mishandles indexes."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-573", "description": "CWE-573 Improper Following of Specification by Caller", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-10T19:55:44.327Z"}, "references": [{"url": "https://osv.dev/vulnerability/OSEC-2026-20"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:opam/cstruct", "product": "cstruct", "vendor": "OCaml", "versions": [{"lessThan": "6.3.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The cstruct package before 6.3.0 for OCaml mishandles indexes."}], "id": "CVE-2026-89087", "lastModified": "2026-09-10T20:17:32.247", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-09-10T20:17:32.247", "references": [{"source": "cve@mitre.org", "url": "https://osv.dev/vulnerability/OSEC-2026-20"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-573"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}