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CVE-2026-8224

Estado: AnalizadaMedia (5.5)—

A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcf_sess_set_ipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

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)

Open5gs — Open5gs

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-8224",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "role": "CISA Coordinator",
          "options": [
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          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "obtainAllPrivilege": false,
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    "cvssMetricV31": [
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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          "confidentialityImpact": "NONE"
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
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          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
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  },
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      "affectedData": [
        {
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            "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
          ],
          "vendor": "n/a",
          "modules": [
            "PCF"
          ],
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  "published": "2026-05-10T03:16:09.033",
  "references": [
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      "url": "https://github.com/open5gs/open5gs/",
      "tags": [
        "Product"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/open5gs/open5gs/issues/4439",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/808443",
      "tags": [
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        "VDB Entry"
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      "source": "cna@vuldb.com"
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    {
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        "VDB Entry"
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        "VDB Entry"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-404"
        }
      ]
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "A vulnerability was determined in Open5GS up to 2.7.7. Affected by this issue is the function pcf_sess_set_ipv6prefix of the file /src/pcf/context.c of the component PCF. Executing a manipulation of the argument SmPolicyContextData.ipv6AddressPrefix can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way."
    },
    {
      "lang": "es",
      "value": "Se determinó una vulnerabilidad en Open5GS hasta la versión 2.7.7. Afectada por este problema es la función pcf_sess_set_ipv6prefix del archivo /src/pcf/context.c del componente PCF. La ejecución de una manipulación del argumento SmPolicyContextData.ipv6AddressPrefix puede llevar a una denegación de servicio. Es posible lanzar el ataque de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado. El proveedor fue contactado con antelación sobre esta divulgación, pero no respondió de ninguna manera."
    }
  ],
  "lastModified": "2026-07-24T07:10:00.200",
  "configurations": [
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              "versionEndIncluding": "2.7.7"
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}