Vulnerability Description
A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_parse_plmn_list in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Open5Gs | Open5Gs | <= 2.7.7 |
Related Weaknesses (CWE)
References
- https://github.com/open5gs/open5gs/Product
- https://github.com/open5gs/open5gs/issues/4433ExploitIssue Tracking
- https://vuldb.com/submit/808422Third Party AdvisoryVDB EntryExploit
- https://vuldb.com/submit/808424Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/361908Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/361908/ctiPermissions RequiredVDB Entry
FAQ
What is CVE-2026-8121?
CVE-2026-8121 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_parse_plmn_list in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to deni...
How severe is CVE-2026-8121?
CVE-2026-8121 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-8121?
Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.