CVE-2026-8249CWE-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 flaw has been found in Open5GS up to 2.7.7. The impacted element is the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been published 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
0.00676 · 51.6th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-05-10T22:30Z
EPSS history
Timeline
  • 10 MAY 22:30Z
    Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service
    cvelistv5