CVE-2026-8122

MEDIUM

Open5GS NSSF message.c ogs_sbi_discovery_option_add_service_names denial of service

Title source: cna
STIX 2.1

Description

A vulnerability was found in Open5GS up to 2.7.7. This affects the function ogs_sbi_discovery_option_add_service_names in the library /lib/sbi/message.c of the component NSSF. The manipulation results in denial of service. The attack may be performed from remote. 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-361909 | Open5GS NSSF message.c ogs_sbi_discovery_option_add_service_names denial of service
https://vuldb.com/vuln/361909
Signature, Permissions Required signature permissions-required
VDB-361909 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/361909/cti
Third Party Advisory third-party-advisory
Submit #808425 | Open5gs NSSF v2.7.7 Denial of Service
https://vuldb.com/submit/808425
Exploit exploit issue-tracking
https://github.com/open5gs/open5gs/issues/4435

Scores

CVSS v3 4.3
EPSS 0.0037
EPSS Percentile 28.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
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 08, 2026
Tracked Since May 08, 2026