CVE-2026-75439
highAn issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component
An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-09-04 21:17
Modified: 2026-09-14 14:17
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:50 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://gist.github.com/hackeryounow/0f434c03008462e6eec3b43ed3cd12d8 cve@mitre.org
- https://github.com/free5gc/free5gc/issues/1059 cve@mitre.org
- https://github.com/free5gc/free5gc/issues/1059.https://github.com/free5gc/go-upf/pull/97 cve@mitre.org
- https://github.com/free5gc/go-upf/pull/97 cve@mitre.org
- https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75439 cve@mitre.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:50 UTC · record ↗