CVE-2026-67434
PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards. Prior to versions 3.13.6 and 4.0.2, PHP_CodeSniffer contains a command injection vulnerability in the code that generates the Gitblame, Hgblame, and Svnblame report formats.
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As a result, running PHP_CodeSniffer over untrusted files, for example in a continuous integration pipeline that scans pull requests, or on a developer machine reviewing third party code, could result in attacker controlled shell commands being executed when the Gitblame, Hgblame, or Svnblame report processes a file whose name contains shell metacharacters. Users using the default Full report, or any of the other non-blame reports, are not affected. Users on a runtime platform which does not allow filenames to contain shell metacharacters, such as " and ;, are not affected. This issue is fixed in versions 3.13.6 and 4.0.2.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 7.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.06%
- Percentil entre todas las CVEs puntuadas: 63
- 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 Executionexecution90 % - Impacto principal
T1059Command and Scripting Interpreterexecution95 %
UI:R y AV:L indican interacción del usuario (abrir archivo preparado); CWE-78 confirma inyección de comandos shell ejecutados por PHP_CodeSniffer al procesar nombres de archivo con metacaracteres.
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-78
Referencias
- https://github.com/PHPCSStandards/PHP_CodeSniffer/commit/7a3a6bbf153a03fa3a9413afc60bded6b764e76b
- https://github.com/PHPCSStandards/PHP_CodeSniffer/commit/f0e1ebb0563f0e5d7f190497a787bcaf8474f3fe
- https://github.com/PHPCSStandards/PHP_CodeSniffer/pull/1473
- https://github.com/PHPCSStandards/PHP_CodeSniffer/releases/tag/3.13.6
- https://github.com/PHPCSStandards/PHP_CodeSniffer/releases/tag/4.0.2
- https://github.com/PHPCSStandards/PHP_CodeSniffer/security/advisories/GHSA-hmqg-cxww-wqhq
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-67434",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-67434",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-08-07T15:36:31.165042Z"
}
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 7.3,
"Automatable": "NOT_DEFINED",
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "PASSIVE",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "PHPCSStandards",
"product": "PHP_CodeSniffer",
"versions": [
{
"status": "affected",
"version": "< 3.13.6"
},
{
"status": "affected",
"version": ">= 4.0.0, < 4.0.2"
}
]
}
]
}
],
"published": "2026-08-06T22:18:21.750",
"references": [
{
"url": "https://github.com/PHPCSStandards/PHP_CodeSniffer/commit/7a3a6bbf153a03fa3a9413afc60bded6b764e76b",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/PHPCSStandards/PHP_CodeSniffer/commit/f0e1ebb0563f0e5d7f190497a787bcaf8474f3fe",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/PHPCSStandards/PHP_CodeSniffer/pull/1473",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/PHPCSStandards/PHP_CodeSniffer/releases/tag/3.13.6",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/PHPCSStandards/PHP_CodeSniffer/releases/tag/4.0.2",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/PHPCSStandards/PHP_CodeSniffer/security/advisories/GHSA-hmqg-cxww-wqhq",
"source": "security-advisories@github.com"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards. Prior to versions 3.13.6 and 4.0.2, PHP_CodeSniffer contains a command injection vulnerability in the code that generates the Gitblame, Hgblame, and Svnblame report formats. As a result, running PHP_CodeSniffer over untrusted files, for example in a continuous integration pipeline that scans pull requests, or on a developer machine reviewing third party code, could result in attacker controlled shell commands being executed when the Gitblame, Hgblame, or Svnblame report processes a file whose name contains shell metacharacters. Users using the default Full report, or any of the other non-blame reports, are not affected. Users on a runtime platform which does not allow filenames to contain shell metacharacters, such as \" and ;, are not affected. This issue is fixed in versions 3.13.6 and 4.0.2."
}
],
"lastModified": "2026-09-10T20:41:33.140",
"sourceIdentifier": "security-advisories@github.com"
}