CVE-2026-7536
Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 6.9EPSS 0.4%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
01 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsf_sess_add_by_ip_address of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
n/a · Open5GSpublic PoCs found — 1
cve_referencegithub.com/open5gs/open5gs/issues/4400unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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