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CVE-2026-1683

Status: ModifiedMedium (5.5)—

A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Free5gc — Free5gc

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-1683",
  "cveTags": [],
  "metrics": {
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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      "url": "https://github.com/free5gc/smf/",
      "source": "cna@vuldb.com"
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      "url": "https://github.com/free5gc/smf/pull/188",
      "tags": [
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      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/?ctiid.343476",
      "tags": [
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        "VDB Entry"
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      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/?id.343476",
      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-404"
        }
      ]
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  ],
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      "lang": "en",
      "value": "A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad ha sido encontrada en Free5GC SMF hasta la versión 4.1.0. Afectada por esta vulnerabilidad es la función HandlePfcpSessionReportRequest del archivo internal/pfcp/handler/handler.go del componente PFCP. La manipulación conduce a denegación de servicio. La explotación remota del ataque es posible. El exploit ha sido divulgado al público y puede ser utilizado. Para solucionar este problema, se recomienda desplegar un parche."
    }
  ],
  "lastModified": "2026-06-17T10:16:18.733",
  "configurations": [
    {
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}