CVE-2026-15720

EUVD-2026-44343
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
redhat-cnalrCNA
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
open5gsopen5gs
𝑥
≤ 2.7.7
CNA
Common Weakness Enumeration
References
https://github.com/open5gs/open5gs/security/advisories/GHSA-f4mx-3x6p-cfwp