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CVE-2026-55784

🗓️ 28 Aug 2026 22:23:41Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 50 Views🌐 WEB

Race condition in free5GC AUSF 1.4.4 where concurrent requests overwrite auth contexts causing DoS.

Related
Detection
Affected
Refs
Paths
Vulners
Node
free5gcfree5gcRange≤1.4.4
[
  {
    "vendor": "free5gc",
    "product": "free5gc",
    "versions": [
      {
        "version": "<= 1.4.4",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
SUPIrequest body/nausf-auth/v1/ue-authenticationsConcurrent POST requests for the same SUPI on the AUSF SBI/N12 interface cause the authentication context to be overwritten in the global sync.Map, leading to authentication failures for the target subscriber.CWE-362

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20 Oct 2026 16:13Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00419
SSVC
50