CVE-2026-8223 | THREATINT

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.

PUBLISHED Reserved 2026-05-09 | Published 2026-05-10 | Updated 2026-05-10 | Assigner VulDB

MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Denial of Service

Timeline

2026-05-09:	Advisory disclosed
2026-05-09:	VulDB entry created
2026-05-09:	VulDB entry last update

Credits

LinZiyu (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/362440 (VDB-362440 | Open5GS sm-policies Endpoint pcf_sess_sbi_discover_and_send denial of service) vdb-entry technical-description

vuldb.com/vuln/362440/cti (VDB-362440 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/808442 (Submit #808442 | Open5gs PCF v2.7.7 Denial of Service) third-party-advisory

github.com/open5gs/open5gs/issues/4438 exploit issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-8223)

nvd.nist.gov (CVE-2026-8223)

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