CVE-2026-7587CWE-404

Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of service

Medium · published May 1, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
44.8
In the wild
Unconfirmed
What it is

A vulnerability has been found in Open5GS up to 2.7.7. This vulnerability affects the function amf_nsmf_pdusession_handle_update_sm_context of the file /src/amf/nsmf-handler.c of the component AMF. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00544 · 44.8th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-05-01T16:45Z
EPSS history
Timeline
  • 01 MAY 16:45Z
    Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of service
    cvelistv5