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CVE-2026-1974

Estado: AnalizadaMedia (5.5)—

A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. It is recommended to apply a patch to fix this issue.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Free5gc — Free5gc

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-1974",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-1974",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-06T19:32:55.850102Z"
        }
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    ],
    "cvssMetricV2": [
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 1.4,
        "exploitabilityScore": 3.9
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        "source": "nvd@nist.gov",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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    "cvssMetricV40": [
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        "type": "Secondary",
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        "cvssData": {
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          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
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  },
  "affected": [
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      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*"
          ],
          "vendor": "n/a",
          "modules": [
            "SMF"
          ],
          "product": "Free5GC",
          "versions": [
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              "version": "4.0"
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              "version": "4.1.0"
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  "published": "2026-02-06T02:16:05.810",
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      "url": "https://github.com/free5gc/free5gc/",
      "tags": [
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      ],
      "source": "cna@vuldb.com"
    },
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        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "cna@vuldb.com"
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      "url": "https://github.com/free5gc/free5gc/issues/816#issue-3832055233",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
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      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/free5gc/smf/pull/189",
      "tags": [
        "Issue Tracking"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/?ctiid.344496",
      "tags": [
        "Permissions Required",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/?id.344496",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "cna@vuldb.com"
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    {
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      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
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      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-404"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was identified in Free5GC up to 4.1.0. This affects the function ResolveNodeIdToIp of the file internal/sbi/processor/datapath.go of the component SMF. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. It is recommended to apply a patch to fix this issue."
    },
    {
      "lang": "es",
      "value": "Se identificó una vulnerabilidad en Free5GC hasta la versión 4.1.0. Esto afecta a la función ResolveNodeIdToIp del archivo internal/sbi/processor/datapath.go del componente SMF. La manipulación conduce a una denegación de servicio. La explotación remota del ataque es posible. El exploit está disponible públicamente y podría ser utilizado. Se recomienda aplicar un parche para solucionar este problema."
    }
  ],
  "lastModified": "2026-06-17T10:16:48.597",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EF0DB381-157B-4D05-B3D3-A2419F1D0E05",
              "versionEndIncluding": "4.1.0"
            }
          ],
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        }
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  "sourceIdentifier": "cna@vuldb.com"
}