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CVE-2026-44321 free5GC: SMF UPI POST /upi/v1/upNodesLinks exits the SMF process on overlapping UE pools (unauthenticated, reachable Fatalf)

🗓️ 27 May 2026 15:47:33Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

CVE-2026-44321: Free5GC SMF terminates on overlapping UE pools via unauthenticated POST /upi/v1/upNodesLinks.

Related
Affected
Refs
[
  {
    "vendor": "free5gc",
    "product": "free5gc",
    "versions": [
      {
        "version": "< 4.2.2",
        "status": "affected"
      }
    ]
  }
]

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