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CVE-2026-53593

🗓️ 20 Jul 2026 19:52:33Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 53 Views🌐 WEB

Authenticated remote code execution in FreeScout via uploading .pht files bypassing the denylist before version 1.8.224.

Related
Detection
Affected
Refs
Paths
Vulners
Node
freescoutfreescoutRange<1.8.224
[
  {
    "vendor": "freescout-help-desk",
    "product": "freescout",
    "versions": [
      {
        "version": "< 1.8.224",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
{hash}path/user-setup/{hash}/{invite_sent_at}Unauthenticated account takeover via trailing space collision in the invite_hash column and improper handling of decryption failures, allowing an attacker to overwrite the admin's email and password.CWE-434
{invite_sent_at}path/user-setup/{hash}/{invite_sent_at}Unauthenticated account takeover via trailing space collision in the invite_hash column and improper handling of decryption failures, allowing an attacker to overwrite the admin's email and password.CWE-434
filerequest body/uploads/uploadAuthenticated file upload vulnerability where the denylist fails to block the .pht extension, allowing the upload and execution of a web shell in a web-accessible directory.CWE-434

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24 Oct 2026 20:10Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.18.8
EPSS0.00351
SSVC
53