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CVE-2026-48712

Estado: AnalizadaAlta (7.5)—

protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.1 and 8.4.1, protobufjs could recurse without a depth limit while converting decoded messages to plain objects or JSON. This affected generated toObject() conversion and the custom google.protobuf.Any JSON conversion path. A crafted protobuf binary payload containing deeply nested Any values could cause the JavaScript call stack to be exhausted during conversion to JSON. This vulnerability is fixed in 7.6.1 and 8.4.1.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector CVSS de red sin autenticación (AV:N/PR:N) indica explotación remota de aplicación expuesta. CWE-674 (recursión sin límite) permite DoS por agotamiento de pila; el texto explícita que el payload protobuf anida valores Any para agotar la pila JavaScript.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Filter Network TrafficVulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkApplication Isolation and Sandboxing

Tecnologías afectadas (1)

Protobufjs Project — Protobufjs

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-48712",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-23T13:50:28.096514Z"
        }
      }
    ],
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          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "protobufjs",
          "product": "protobuf.js",
          "versions": [
            {
              "status": "affected",
              "version": "< 7.6.1"
            },
            {
              "status": "affected",
              "version": ">= 8.0.0, < 8.4.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-06-22T18:16:39.640",
  "references": [
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      "url": "https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-wcpc-wj8m-hjx6",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
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    }
  ],
  "vulnStatus": "Analyzed",
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      "source": "security-advisories@github.com",
      "description": [
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          "lang": "en",
          "value": "CWE-674"
        }
      ]
    }
  ],
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      "lang": "en",
      "value": "protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.1 and 8.4.1, protobufjs could recurse without a depth limit while converting decoded messages to plain objects or JSON. This affected generated toObject() conversion and the custom google.protobuf.Any JSON conversion path. A crafted protobuf binary payload containing deeply nested Any values could cause the JavaScript call stack to be exhausted during conversion to JSON. This vulnerability is fixed in 7.6.1 and 8.4.1."
    }
  ],
  "lastModified": "2026-06-26T20:04:06.650",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
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}