Vulnerability in Ocaml Cstruct

CVE-2026-89087

The cstruct package before 6.3.0 for OCaml mishandles indexes.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Ocaml Cstruct

Weakness classification (CWE)

CWE-573

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-89087?: CVE-2026-89087 is a high-severity vulnerability in Ocaml Cstruct, classified under CWE-573. CVSS score: 7.3/10. Published 2026-09-10.
How severe is CVE-2026-89087?: High severity. CVSS v3 base score is 7.3 out of 10.