# CVE-2026-87737

## Summary

- **CVE ID:** CVE-2026-87737
- **Severity:** MEDIUM
- **CVSS Score:** 5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** CWE-208
- **Published:** Sep 9, 2026
- **Last Modified:** Sep 9, 2026

## Description

An issue was discovered in the mirage-crypto-ec package before 2.4.0 for OCaml. There is a timing side channel for NIST elliptic-curve scalar multiplication: the time required for a lookup can depend on a secret.

## Affected Products

- OCaml — mirage-crypto-ec (0)

## References

- [CNA](https://osv.dev/vulnerability/OSEC-2026-17)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.21%
- **EPSS Percentile:** 11.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._