CVE Field Guide
About Us
CVE-2026-89087
PUBLISHED
Assigner:
mitre
Reserved:
10.09.2026
Published:
10.09.2026
Updated:
10.09.2026
The cstruct package before 6.3.0 for OCaml mishandles indexes.
Metrics
CVSS 3.1
CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS Score:
7.3
CVSS score
7.3
Attack Vector
Network
Scope
Unchanged
Attack Complexity
Low
Confidentiality Impact
Low
Privileges Required
None
Integrity Impact
Low
User Interaction
None
Availability Impact
Low
CVSS 3.1
Product Status
Vendor
OCaml
Product
cstruct
Versions
Default:
unaffected
affected from 0 to 6.3.0 (excl.)
References
https://osv.dev/vulnerability/OSEC-2026-20
Problem Types
CWE-573 Improper Following of Specification by Caller
CWE