Vulnerability in Open5gs
CVE-2026-8223
A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is the function pcf_sess_sbi_discover_and_send of the component sm-policies Endpoint. Performing a manipulation results in denial of service. It is possible to initiate the attack 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.009 (56.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.009 · change: +0.004
Affected products
- Open5gs
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- github.com/open5gs/open5gs/ (Product, product)
- github.com/open5gs/open5gs/issues/4438 (issue-tracking, Exploit, exploit, Issue Tracking)
- vuldb.com/submit/808442 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/vuln/362440 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/362440/cti (signature, Permissions Required, permissions-required, VDB Entry)
Frequently asked questions
- What is CVE-2026-8223?
- CVE-2026-8223 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-05-10.
- How severe is CVE-2026-8223?
- Medium severity. CVSS v3 base score is 5.3 out of 10.