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VULNERABILITIES

CVE-2026-75439 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gist.github.com/hackeryounow/0f434c03008462e6eec3b43ed3cd12d8 [email protected]Technical Description
https://github.com/free5gc/free5gc/issues/1059 [email protected]ExploitIssue TrackingTechnical DescriptionVendor
https://github.com/free5gc/free5gc/issues/1059.https://github.com/free5gc/go-upf/pull/97 [email protected]
https://github.com/free5gc/go-upf/pull/97 [email protected]Issue TrackingVendor
https://github.com/hackeryounow/5GCVulDB/tree/main/CVE-2026-75439 [email protected]Vendor

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer DereferenceCISA-ADP

Affected Products

ProductVersions
Free5GC
v4.2.2 (semver)

CPE

  • cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*

Remediation

  • Upgrade: v4.2.3moderate effort

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-75439
NVD Published Date:
Sep 4, 2026
NVD Last Modified:
Sep 14, 2026
Source:
[email protected]