CVE-2026-7779

A security flaw has been discovered in Open5GS up to 2.7.7. Affected is the function udm_nudr_dr_handle_subscription_authentication of the file /src/udm/nudr-handler.c of the component authentication-subscription Endpoint. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. 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/
• https://github.com/open5gs/open5gs/issues/4418
• https://vuldb.com/submit/806249
• https://vuldb.com/vuln/360976
• https://vuldb.com/vuln/360976/cti

Published

May 4, 2026

Last Modified

Jun 17, 2026

Status

Deferred

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