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CVE-2026-40590

🗓️ 21 Apr 2026 16:52:27Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 26 Views🌐 WEB

CVE-2026-40590: FreeScout ajax create reuses a hidden customer when emails match, allowing attacker-controlled field filling.

Related
Detection
Affected
Refs
Paths
Vulners
Node
freescoutfreescoutRange<1.8.214
[
  {
    "vendor": "freescout-help-desk",
    "product": "freescout",
    "versions": [
      {
        "version": "< 1.8.214",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
actionrequest body/customers/ajaxCreate-customer flow vulnerability due to missing unique-email validation; attacker can reuse a hidden customer and fill missing profile fields via POST /customers/ajax?action=create.CWE-639
emailrequest body/customers/ajaxCreate-customer flow vulnerability due to missing unique-email validation; attacker can reuse a hidden customer and fill missing profile fields via POST /customers/ajax?action=create.CWE-639

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17 Jun 2026 10:45Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.3
EPSS0.00325
SSVC
26