CVE-2026-19590
OpenAI Codex Desktop for Windows and macOS could execute attacker-controlled Git hooks because automated Git operations trusted the repository's local core.hooksPath setting. If a user opens an attacker-prepared repository whose preserved .git/config points core.hooksPath to an attacker-controlled directory, Codex can run a malicious hook while processing the repository. The hook executes outside Codex's command sandbox, without user approval, and with the user's privileges, allowing it to 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 attacker-controlled repository-local configuration required for exploitation.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.11%
- Percentil entre todas las CVEs puntuadas: 1
- Fecha de la puntuación: 5/10/2026
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.
- Explotación
T1203Exploitation for Client Executionexecution95 % - Impacto principal
T1574.007Path Interception by PATH Environment Variablestealth · execution90 % - Impacto secundario
T1005Data from Local Systemcollection85 % - Impacto secundario
T1565.001Stored Data Manipulationimpact80 %
Requiere interacción del usuario (UI:R: abrir un repositorio preparado). El hook se ejecuta fuera del sandbox con privilegios del usuario, permitiendo lectura (T1005), modificación (T1565.001) y secuestro de flujo vía core.hooksPath (T1574.007).
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
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-427
Referencias
JSON original (NVD)
Mostrar
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"id": "CVE-2026-19590",
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{
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"id": "CVE-2026-19590",
"role": "CISA Coordinator",
"options": [
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"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
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],
"version": "2.0.3",
"timestamp": "2026-09-03T14:29:12.027630Z"
}
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"attackComplexity": "LOW",
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"affected": [
{
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"affectedData": [
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"vendor": "OpenAI",
"product": "Codex Desktop",
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"platforms": [
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{
"vendor": "OpenAI",
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"published": "2026-09-01T18:17:40.140",
"references": [
{
"url": "https://github.com/openai/codex/pull/22843",
"source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7"
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],
"vulnStatus": "Undergoing Analysis",
"weaknesses": [
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"source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7",
"description": [
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"value": "CWE-427"
}
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],
"descriptions": [
{
"lang": "en",
"value": "OpenAI Codex Desktop for Windows and macOS could execute attacker-controlled Git hooks because automated Git operations trusted the repository's local core.hooksPath setting. If a user opens an attacker-prepared repository whose preserved .git/config points core.hooksPath to an attacker-controlled directory, Codex can run a malicious hook while processing the repository. The hook executes outside Codex's command sandbox, without user approval, and with the user's privileges, allowing it to 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 attacker-controlled repository-local configuration required for exploitation."
}
],
"lastModified": "2026-09-03T15:17:19.780",
"sourceIdentifier": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7"
}