CVE-2026-8121

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-404

• https://github.com/open5gs/open5gs/Product
• https://github.com/open5gs/open5gs/issues/4433Exploit, Issue Tracking
• https://vuldb.com/submit/808422Exploit, Third Party Advisory, VDB Entry
• https://vuldb.com/submit/808424Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/361908Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/361908/ctiPermissions Required, VDB Entry

Published

May 8, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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