CVE-2026-59837
Full vulnerability record from the local CVENow database.
Description
A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.8.0 through 1.8.2, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions may allow a privileged authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.
Severity
MEDIUM
CVSS score
6.6
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-07-14 16:17:02.853000
Last modified
2026-10-29 17:18:09.923000
View original CVE JSON
{
"id": "CVE-2026-59837",
"sourceIdentifier": "[email protected]",
"published": "2026-07-14T16:17:02.853",
"lastModified": "2026-10-29T17:18:09.923",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.8.0 through 1.8.2, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions may allow a privileged authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests."
},
{
"lang": "es",
"value": "Una vulnerabilidad de desbordamiento de búfer basado en pila en Fortinet FortiOS 7.4.0 hasta 7.4.1, FortiOS 7.2 todas las versiones, FortiPAM 1.8.0 hasta 1.8.2, FortiPAM 1.7 todas las versiones, FortiPAM 1.6 todas las versiones, FortiPAM 1.5 todas las versiones, FortiPAM 1.4 todas las versiones, FortiPAM 1.3 todas las versiones, FortiPAM 1.2 todas las versiones, FortiPAM 1.1 todas las versiones, FortiPAM 1.0 todas las versiones, FortiProxy 7.4.0 hasta 7.4.13, FortiProxy 7.2 todas las versiones puede permitir a un atacante autenticado privilegiado que puede eludir la protección de pila y ASLR ejecutar código o comandos arbitrarios a través de solicitudes HTTP manipuladas."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Fortinet",
"product": "FortiOS",
"defaultStatus": "unaffected",
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}
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{
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{
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{
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"affectedData": [
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}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 0.7,
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}
],
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"id": "CVE-2026-59837",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-121"
}
]
}
],
"configurations": [
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],
"references": [
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"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-148",
"source": "[email protected]",
"tags": [
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]
},
{
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}