CVE-2026-8121

MEDIUM 4.3

Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service

CVSS Score

4.3

EPSS Score

0.1%

EPSS Percentile

18th

A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_parse_plmn_list in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed to the public 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/361908 vuldb.com: https://vuldb.com/vuln/361908/cti vuldb.com: https://vuldb.com/submit/808422 vuldb.com: https://vuldb.com/submit/808424 github.com: https://github.com/open5gs/open5gs/issues/4433 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 FrankyLin (VulDB User) VulDB CNA Team