CVE-2026-8223

MEDIUM

Open5GS sm-policies Endpoint pcf_sess_sbi_discover_and_send denial of service

Title source: cna
STIX 2.1

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.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-362440 | Open5GS sm-policies Endpoint pcf_sess_sbi_discover_and_send denial of service
https://vuldb.com/vuln/362440
Signature, Permissions Required signature permissions-required
VDB-362440 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/362440/cti
Third Party Advisory third-party-advisory
Submit #808442 | Open5gs PCF v2.7.7 Denial of Service
https://vuldb.com/submit/808442
Exploit exploit issue-tracking
https://github.com/open5gs/open5gs/issues/4438

Scores

CVSS v3 5.3
EPSS 0.0048
EPSS Percentile 37.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-404
Status published
Products (9)
None/Open5GS 2.7.0
None/Open5GS 2.7.1
None/Open5GS 2.7.2
None/Open5GS 2.7.3
None/Open5GS 2.7.4
None/Open5GS 2.7.5
None/Open5GS 2.7.6
None/Open5GS 2.7.7
open5gs/open5gs < 2.7.7
Published May 10, 2026
Tracked Since May 10, 2026