CVE-2026-8288CWE-404

Open5GS SMF gsm-handler.c denial of service

Medium · published May 11, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
52.1
In the wild
Unconfirmed
What it is

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

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
0.00686 · 52.1th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-05-11T12:15Z
EPSS history
Timeline
  • 11 MAY 12:15Z
    Open5GS SMF gsm-handler.c denial of service
    cvelistv5