CVE-2026-7535
CWE-404Published: May 1, 2026· Updated: May 1, 2026
Official Description
A vulnerability was found in Open5GS up to 2.7.7. This affects the function amf_namf_comm_handle_registration_status_update_request in the library /lib/app/ogs-init.c of the file /namf-comm/v1/ue-contexts/{ueContextId}/transfer-update. Performing a manipulation of the argument ueContextId results in denial of service. The attack can be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Technical Analysis
CVE-2026-7535 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 (6)
Quick Facts
Related CVEs (CWE-404)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-7535 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts