EUVD-2026-29004
GHSA-pwcx-2r94-w92m
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. This affects the function smf_n4_build_qos_flow_to_modify_list of the file /src/smf/n4-build.c of the component SMF. Such manipulation leads to denial of service. The attack can be executed 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 via the smf_n4_build_qos_flow_to_modify_list function in the SMF (Session Management Function) component allows remote authenticated attackers to crash the service with low attack complexity. The vulnerability has been publicly disclosed with exploit code available; the vendor was notified early but has not yet released a fix.
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External POC / Exploit Code
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