CVE-2026-4480
Full vulnerability record from the local CVENow database.
Description
A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by sending a specially crafted print job description that contains unescaped shell characters. This could lead to remote code execution on the affected system.
Severity
CRITICAL
CVSS score
9.0
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-05-26 15:16:40.937000
Last modified
2026-11-04 23:17:37.480000
View original CVE JSON
{
"id": "CVE-2026-4480",
"sourceIdentifier": "[email protected]",
"published": "2026-05-26T15:16:40.937",
"lastModified": "2026-11-04T23:17:37.480",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the \"print command\" setting via the \"%J\"\nsubstitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by sending a specially crafted print job description that contains unescaped shell characters. This could lead to remote code execution on the affected system."
},
{
"lang": "es",
"value": "Se encontró una falla en el subsistema de impresión de Samba. Samba pasa la cadena de descripción de trabajo controlada por el cliente al comando configurado con la opción 'print command' a través del carácter de sustitución '%J' sin escapar los metacaracteres de shell. Un atacante remoto podría explotar esta vulnerabilidad enviando una descripción de trabajo de impresión especialmente diseñada que contenga caracteres de shell sin escapar. Esto podría llevar a la ejecución remota de código en el sistema afectado."
}
],
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{
"source": "[email protected]",
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"metrics": {
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{
"source": "[email protected]",
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},
{
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