CVE-2026-8251CWE-404

Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

Medium · published May 10, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
51.6
In the wild
Unconfirmed
What it is

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out 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.

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 · 51.6th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-05-10T23:00Z
EPSS history
Timeline
  • 10 MAY 23:00Z
    Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service
    cvelistv5