CVE-2026-8290

A security flaw has been discovered in Open5GS up to 2.7.7. This issue affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation results in denial of service. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. 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/4454Exploit, Issue Tracking
• https://vuldb.com/submit/808507Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/362587Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/362587/ctiPermissions Required, VDB Entry
• https://vuldb.com/submit/808507Third Party Advisory, VDB Entry

Published

May 11, 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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