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CVE-2026-49979

🗓️ 24 Jun 2026 21:38:50Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 27 Views🌐 WEB

Appsmith SSRF via POST /api/v1/admin/send-test-email; attacker-controlled smtpHost/smtpPort bypasses WebClient IP filter; MailException exposed; fixed in version 1.99.

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[
  {
    "vendor": "appsmithorg",
    "product": "appsmith",
    "versions": [
      {
        "version": "< 1.99",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
smtpHostrequest bodyapi/v1/admin/send-test-emailEndpoint accepts attacker-controlled SMTP host/port and opens a raw JavaMail TCP connection, bypassing IP_CHECK_FILTER and returning raw MailException messages, enabling error-based internal port scanning and banner enumeration.CWE-209CWE-918
smtpPortrequest bodyapi/v1/admin/send-test-emailEndpoint accepts attacker-controlled SMTP host/port and opens a raw JavaMail TCP connection, bypassing IP_CHECK_FILTER and returning raw MailException messages, enabling error-based internal port scanning and banner enumeration.CWE-209CWE-918

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