EUVD-2026-28479
GHSA-m782-cq9r-w5vf
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4DescriptionNVD
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.
AnalysisAI
Denial of service in Open5GS up to version 2.7.7 allows authenticated remote attackers to crash the NSSF (Network Slice Selection Function) component via a crafted PLMN list in the SBI (Service Based Interface) parser. The vulnerability exists in the ogs_sbi_parse_plmn_list function within /lib/sbi/conv.c and has been publicly disclosed with exploit code available; the vendor has not yet released a patch despite early notification.
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External POC / Exploit Code
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