CVE-2026-8289CWE-404

Open5GS SMF nsmf-handler.c smf_nsmf_handle_update_data_in_vsmf denial of service

Medium · published May 11, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
51.7
In the wild
Unconfirmed
What it is

A vulnerability was identified in Open5GS up to 2.7.7. This vulnerability affects the function smf_nsmf_handle_update_data_in_vsmf of the file /src/smf/nsmf-handler.c of the component SMF. The manipulation of the argument qosFlowProfile leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might 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
0.00676 · 51.7th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-05-11T12:30Z
EPSS history
Timeline
  • 11 MAY 12:30Z
    Open5GS SMF nsmf-handler.c smf_nsmf_handle_update_data_in_vsmf denial of service
    cvelistv5