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CVE-2026-29075

Estado: AnalizadaCrítica (9.8)—

Mesa is an open-source Python library for agent-based modeling, simulating complex systems and exploring emergent behaviors. In version 3.5.0 and prior, checking out of untrusted code in benchmarks.yml workflow may lead to code execution in privileged runner. This issue has been patched via commit c35b8cd.

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.

Vulnerabilidad en CI/CD: checkout de código no confiable en benchmarks.yml permite ejecución arbitraria en runner privilegiado (CWE-94). Vector de suministro de software.

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

Limit Software InstallationExecution PreventionUpdate SoftwareApplication Developer GuidanceVulnerability ScanningUser Account Management

Tecnologías afectadas (1)

Mesa Project — Mesa

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-29075",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-29075",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-09T14:59:53.798140Z"
        }
      }
    ],
    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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      },
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        "source": "nvd@nist.gov",
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          "integrityImpact": "HIGH",
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          "confidentialityImpact": "HIGH"
        },
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        "exploitabilityScore": 3.9
      }
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      "source": "security-advisories@github.com",
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            }
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    },
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      "url": "https://github.com/mesa/mesa/security/advisories/GHSA-3j55-5q6x-2h48",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
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      "value": "Mesa is an open-source Python library for agent-based modeling, simulating complex systems and exploring emergent behaviors. In version 3.5.0 and prior, checking out of untrusted code in benchmarks.yml workflow may lead to code execution in privileged runner. This issue has been patched via commit c35b8cd."
    },
    {
      "lang": "es",
      "value": "Mesa es una librería Python de código abierto para modelado basado en agentes, simulando sistemas complejos y explorando comportamientos emergentes. En la versión 3.5.0 y anteriores, la extracción de código no confiable en el flujo de trabajo benchmarks.yml puede llevar a la ejecución de código en un ejecutor privilegiado. Este problema ha sido parcheado a través del commit c35b8cd."
    }
  ],
  "lastModified": "2026-06-17T10:29:33.457",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "FDC8696B-D702-4572-88EB-AA96A9CD65E7",
              "versionEndIncluding": "3.5.0"
            }
          ],
          "operator": "OR"
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      ]
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  ],
  "sourceIdentifier": "security-advisories@github.com"
}