Vulnerability · Published May 10, 2026 · Assigned by VulDB
CVE-2026-8223Open5GS sm-policies Endpoint pcf_sess_sbi_discover_and_send denial of service
Medium 5.3
In plain English
A medium-severity security flaw in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-362440 | Open5GS sm-policies Endpoint pcf_sess_sbi_discover_and_send denial of service vdb-entry, technical-description
- VDB-362440 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #808442 | Open5gs PCF v2.7.7 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4438 exploit, issue-tracking
- https://github.com/open5gs/open5gs/ product