Vulnerability in Open5gs

CVE-2026-8268

A vulnerability has been found in Open5GS up to 2.7.7. This issue affects the function OpenAPI_list_create of the component SMF. Such manipulation leads to denial of service. The attack may be launched 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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.007 (50.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-8268: held from 0.004 to 0.007.

EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003

Affected products

  • Open5gs
  • Open5gs — versions 2.7.0, 2.7.1, 2.7.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-8268?
CVE-2026-8268 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2026-05-11.
How severe is CVE-2026-8268?
Medium severity. CVSS v3 base score is 4.3 out of 10.