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CVE-2026-8251

Estado: AnalizadaBaja (2.1)—

A vulnerability was found in Open5GS up to 2.7.7. This impacts the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

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-2026-8251",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "options": [
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              "exploitation": "poc"
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          "confidentialityImpact": "NONE"
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    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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      "affectedData": [
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          ],
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          "modules": [
            "SMF"
          ],
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  "published": "2026-05-10T23:16:27.563",
  "references": [
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      "url": "https://github.com/open5gs/open5gs/",
      "tags": [
        "Product"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/open5gs/open5gs/issues/4445",
      "tags": [
        "Exploit",
        "Issue Tracking"
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      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/submit/808480",
      "tags": [
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  "weaknesses": [
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      "source": "cna@vuldb.com",
      "description": [
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          "lang": "en",
          "value": "CWE-404"
        }
      ]
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      "lang": "en",
      "value": "A vulnerability was found in Open5GS up to 2.7.7. This impacts the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet."
    },
    {
      "lang": "es",
      "value": "Se encontró una vulnerabilidad en Open5GS hasta la versión 2.7.7. Esto afecta a la función update_authorized_pcc_rule_and_qos del archivo /src/smf/npcf-handler.c del componente SMF. Realizar una manipulación resulta en denegación de servicio. El ataque es posible de llevar a cabo de forma remota. El exploit ha sido hecho público y podría ser usado. El proyecto fue informado del problema tempranamente a través de un informe de problema pero aún no ha respondido."
    }
  ],
  "lastModified": "2026-07-24T07:10:00.200",
  "configurations": [
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}