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CVE-2026-54727

Estado: AplazadaAlta (8.2)—

proot-distro is a utility for managing proot containers. Prior to version 5.1.6, proot-distro restore accepted hardlink entries whose linkname referenced another installed container and did not verify that the hardlink source container matched the destination container being restored, allowing a crafted restore archive to copy files between otherwise isolated containers. This issue is fixed in version 5.1.6.

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.

AV:L + UI:R sugiere ejecución en cliente (abrir archivo preparado). El archivo comprimido manipulado con hardlinks entre contenedores permite copiar/leer datos entre contenedores aislados.

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

Restrict File and Directory PermissionsRemote Data StorageEncrypt Sensitive InformationApplication Isolation and SandboxingExploit ProtectionUpdate Software

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Proot-distro — Proot-distroAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-54727",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-54727",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-29T18:07:28.241478Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.2,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "termux",
          "product": "proot-distro",
          "versions": [
            {
              "status": "affected",
              "version": "< 5.1.6"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-07-29T17:16:53.250",
  "references": [
    {
      "url": "https://github.com/termux/proot-distro/commit/98aff324b7d8500ff75a8ca9ac087ee636be4716",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/termux/proot-distro/releases/tag/v5.1.6",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "proot-distro is a utility for managing proot containers. Prior to version 5.1.6, proot-distro restore accepted hardlink entries whose linkname referenced another installed container and did not verify that the hardlink source container matched the destination container being restored, allowing a crafted restore archive to copy files between otherwise isolated containers. This issue is fixed in version 5.1.6."
    }
  ],
  "lastModified": "2026-07-30T20:07:01.330",
  "sourceIdentifier": "security-advisories@github.com"
}