CVE-2026-8728

A security vulnerability has been detected in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_discovery_option_parse_plmn_list in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument target-plmn-list leads to denial of service. The attack can be executed remotely. The exploit has been disclosed publicly 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/4458Exploit, Issue Tracking
• https://vuldb.com/submit/808510Third Party Advisory, VDB Entry
• https://vuldb.com/submit/808511Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/364317Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/364317/ctiPermissions Required, VDB Entry

Published

May 17, 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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