{"id":"CVE-2026-89087","title":"The cstruct package before 6.3.0 for OCaml mishandles indexes.","summary":"The cstruct package before 6.3.0 for OCaml mishandles indexes.","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-573"],"vendor":"OCaml","product":"cstruct","affected":["cstruct < 6.3.0"],"published":"2026-09-10","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:00:03.713","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89087","references":[{"url":"https://osv.dev/vulnerability/OSEC-2026-20","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"epss":0.00188,"epssPercentile":0.08611,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-14T15:36:00.424159Z"},"ingestedAt":"2026-09-14T02:45:19.038Z","slug":"CVE-2026-89087","body":"## Overview\n\nThe cstruct package before 6.3.0 for OCaml mishandles indexes.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}