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CVE-2026-44321

🗓️ 27 May 2026 15:47:33Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 19 Views🌐 WEB

CVE-2026-44321: Unauthenticated POST /upi/v1/upNodesLinks can overlap user equipment pools and crash the core network; fixed in 4.2.2.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
free5gcfree5gcRange<4.2.2
[
  {
    "vendor": "free5gc",
    "product": "free5gc",
    "versions": [
      {
        "version": "< 4.2.2",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
request bodyrequest bodyupi/v1/upNodesLinksUnauthenticated POST to /upi/v1/upNodesLinks accepts attacker-controlled JSON, triggering validation failures that call logger.Fatalf and terminate the SMF process (DoS) in affected versions.CWE-862CWE-617CWE-306

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17 Jun 2026 10:50Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00337
SSVC
19