Open5GS NSSF nnssf-handler.c denial of service_CVE-2026-8120

5.3 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Description

A flaw has been found in Open5GS up to 2.7.7. The affected element is the function nssf_nnrf_nsselection_handle_get_from_amf_or_vnssf of the file /src/nssf/nnssf-handler.c of the component NSSF. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Basic Information

ID CVE-2026-8120

Source VulDB

Published May 8, 2026 at 00:15

Affected Product

Vendor n/a

Product Open5GS

Version 2.7.0

Affected Versions n/a Open5GS 2.7.0
n/a Open5GS 2.7.1
n/a Open5GS 2.7.2
n/a Open5GS 2.7.3
n/a Open5GS 2.7.4
n/a Open5GS 2.7.5
n/a Open5GS 2.7.6
n/a Open5GS 2.7.7

CWE Classification

CWE-404

References

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    "published": "2026-05-08T00:15:09.713Z",
    "modified": "2026-05-08T00:15:09.713Z",
    "type": "cve",
    "title": "Open5GS NSSF nnssf-handler.c denial of service",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/361907\nhttps://vuldb.com/vuln/361907/cti\nhttps://vuldb.com/submit/808421\nhttps://github.com/open5gs/open5gs/issues/4432\nhttps://github.com/open5gs/open5gs/",
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