CVE-2026-8187

A flaw has been found in Open5GS up to 2.7.7. This impacts the function _gtpv1_u_recv_cb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.

• CWE-400
• CWE-404

• https://github.com/open5gs/open5gs/Product
• https://github.com/open5gs/open5gs/issues/4492Exploit, Issue Tracking
• https://vuldb.com/submit/800025Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/362339Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/362339/ctiPermissions Required, VDB Entry
• https://github.com/open5gs/open5gs/issues/4492Exploit, Issue Tracking

Published

May 9, 2026

Last Modified

Jul 24, 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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