CVE-2026-75439High· 7.5▾ MidnightPoC availableAn issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 41.3 · likelihood 0.2 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
Exploit / PoC code exists
— → 7.5
none → high
7.5 → —
high → none
— → 7.5
none → high
0.2% → 0.8%
An issue in Free5GC v.4.2.2 allows a remote attacker to cause a denial of service via the UPF component
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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