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CVE-2026-43990

Estado: AplazadaAlta (8.4)—

JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, plugin-shell's run_command wrapped every agent-supplied command in 'sh -c' / 'cmd /C' and passed the full argument string to the shell's parser, allowing shell metacharacters in agent-supplied arguments to be interpreted as command syntax. This vulnerability is fixed in 0.x.y-security-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.

AV:L sin UI:N indica escalada local; CWE-78 (command injection) + descripción de metacaracteres en sh -c permite ejecución de comandos arbitrarios. Acceso a credenciales posible en contexto de agente comprometido.

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

Privileged Account ManagementExecution PreventionApplication Developer GuidanceActive Directory ConfigurationUser TrainingUser Account Management

Tecnologías afectadas (2)

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

Juno Network — JunoclawfastaioAIJuno Network — Plugin ShellAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-43990",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-43990",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-12T19:01:27.345836Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.4,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.5
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "Dragonmonk111",
          "product": "junoclaw",
          "versions": [
            {
              "status": "affected",
              "version": "< v0.x.y-security-1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-05-12T17:16:20.953",
  "references": [
    {
      "url": "https://github.com/Dragonmonk111/junoclaw/commit/2bc54f6",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/Dragonmonk111/junoclaw/releases/tag/v0.x.y-security-1",
      "source": "security-advisories@github.com"
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      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
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      "description": [
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          "value": "CWE-77"
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        {
          "lang": "en",
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        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, plugin-shell's run_command wrapped every agent-supplied command in 'sh -c' / 'cmd /C' and passed the full argument string to the shell's parser, allowing shell metacharacters in agent-supplied arguments to be interpreted as command syntax. This vulnerability is fixed in 0.x.y-security-1."
    }
  ],
  "lastModified": "2026-06-17T10:50:10.317",
  "sourceIdentifier": "security-advisories@github.com"
}