# CVE-2026-75439

## Summary

- **CVE ID:** CVE-2026-75439
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** N/A
- **Published:** Sep 4, 2026
- **Last Modified:** Sep 14, 2026

## Description

An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](https://github.com/free5gc/free5gc/issues/1059)
- [CNA](https://github.com/free5gc/go-upf/pull/97)
- [CNA](https://gist.github.com/hackeryounow/0f434c03008462e6eec3b43ed3cd12d8)
- [CNA](https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75439)
- [CNA](https://github.com/free5gc/free5gc/issues/1059.https://github.com/free5gc/go-upf/pull/97)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.42%
- **EPSS Percentile:** 35.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._