Vulnerability Description
In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.
CVSS Score
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://github.com/open5gs/open5gs/security/advisories/GHSA-f4mx-3x6p-cfwp
- https://github.com/open5gs/open5gs/security/advisories/GHSA-f4mx-3x6p-cfwp
FAQ
What is CVE-2026-15720?
CVE-2026-15720 is a vulnerability with a CVSS score of 8.6 (HIGH). In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.
How severe is CVE-2026-15720?
CVE-2026-15720 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-15720?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.