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CVE-2026-19592

Estado: En análisisAlta (7.3)—

OpenAI Codex CLI for Windows, macOS, and Linux and Codex Desktop for Windows and macOS automatically collected Git repository metadata without disabling the repository-local core.fsmonitor setting. If a user opens or uses an attacker-prepared repository whose preserved .git/config sets core.fsmonitor to an attacker-controlled filesystem-monitor helper, Git can execute that helper while Codex collects repository metadata. The helper runs outside Codex's command sandbox and without a user-approval prompt, allowing attacker-controlled code to run with the user's privileges.

Leer descripción completaMostrar menos

The code can read, change, or delete the user's files and access other resources available to the user's account. An ordinary Git clone does not preserve the source repository's local .git/config; exploitation requires a repository delivered or copied with that configuration intact.

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 AV:L + UI:R (usuario abre repositorio preparado) → T1203 (ejecución en cliente). El atacante ejecuta código arbitrario a través del helper fsmonitor, permitiendo lectura/manipulación de archivos del usuario.

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 Web-Based ContentRestrict File and Directory PermissionsPrivileged Account ManagementRemote Data StorageNetwork SegmentationLimit Software Installation

Tecnologías afectadas (3)

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

Git-scm — GITAIOpenai — Codex CLIAIOpenai — Codex DesktopAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-19592",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-19592",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-02T15:34:59.378504Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.3,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.3
      }
    ]
  },
  "affected": [
    {
      "source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7",
      "affectedData": [
        {
          "vendor": "OpenAI",
          "product": "Codex CLI",
          "versions": [
            {
              "status": "affected",
              "version": "0.102.0",
              "versionType": "semver",
              "lessThanOrEqual": "0.130.0"
            },
            {
              "status": "unaffected",
              "version": "0.131.0"
            }
          ],
          "platforms": [
            "Windows",
            "macOS",
            "Linux"
          ]
        },
        {
          "vendor": "OpenAI",
          "product": "Codex Desktop",
          "versions": [
            {
              "status": "affected",
              "version": "260202.0859",
              "versionType": "custom",
              "lessThanOrEqual": "26.513.31313"
            },
            {
              "status": "unaffected",
              "version": "26.519.22136"
            }
          ],
          "platforms": [
            "macOS"
          ]
        },
        {
          "vendor": "OpenAI",
          "product": "Codex Desktop",
          "versions": [
            {
              "status": "affected",
              "version": "26.304.38",
              "versionType": "custom",
              "lessThanOrEqual": "26.513.40821"
            },
            {
              "status": "unaffected",
              "version": "26.519.21041"
            }
          ],
          "platforms": [
            "Windows"
          ]
        },
        {
          "vendor": "OpenAI",
          "product": "Codex Desktop (Microsoft Store package)",
          "versions": [
            {
              "status": "affected",
              "version": "26.304.38.0",
              "versionType": "custom",
              "lessThanOrEqual": "26.513.4821.0"
            },
            {
              "status": "unaffected",
              "version": "26.519.2081.0"
            }
          ],
          "platforms": [
            "Windows"
          ]
        }
      ]
    }
  ],
  "published": "2026-09-01T18:17:40.370",
  "references": [
    {
      "url": "https://github.com/openai/codex/pull/22652",
      "source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7"
    }
  ],
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7",
      "description": [
        {
          "lang": "en",
          "value": "CWE-15"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenAI Codex CLI for Windows, macOS, and Linux and Codex Desktop for Windows and macOS automatically collected Git repository metadata without disabling the repository-local core.fsmonitor setting. If a user opens or uses an attacker-prepared repository whose preserved .git/config sets core.fsmonitor to an attacker-controlled filesystem-monitor helper, Git can execute that helper while Codex collects repository metadata. The helper runs outside Codex's command sandbox and without a user-approval prompt, allowing attacker-controlled code to run with the user's privileges. The code can read, change, or delete the user's files and access other resources available to the user's account. An ordinary Git clone does not preserve the source repository's local .git/config; exploitation requires a repository delivered or copied with that configuration intact."
    }
  ],
  "lastModified": "2026-09-02T16:17:15.233",
  "sourceIdentifier": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7"
}