CVE-2026-7780
CWE-404Published: May 4, 2026· Updated: May 5, 2026
Official Description
A weakness has been identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function udm_state_operational of the file /src/udm/udm-sm.c of the component smf-registrations Endpoint. Executing a manipulation can lead to denial of service. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Technical Analysis
CVE-2026-7780 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (5)
Quick Facts
Related CVEs (CWE-404)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-7780 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts