CVE-2026-8120

MEDIUM 4.3

Open5GS NSSF nnssf-handler.c denial of service

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

12th

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.

CWE	CWE-404
Vendor	n/a
Product	open5gs
Published	May 8, 2026
Last Updated	May 8, 2026

Stay Ahead of the Next One

Get instant alerts for n/a open5gs

Be the first to know when new medium vulnerabilities affecting n/a open5gs are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Open5GS

2.7.0 2.7.1 2.7.2 2.7.3 2.7.4 2.7.5 2.7.6 2.7.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/361907 vuldb.com: https://vuldb.com/vuln/361907/cti vuldb.com: https://vuldb.com/submit/808421 github.com: https://github.com/open5gs/open5gs/issues/4432 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 FrankyLin (VulDB User) VulDB CNA Team