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CVE-2026-104084

🗓️ 09 Oct 2026 15:08:23Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 23 Views🌐 WEB

Privilege escalation in SmarterMail via stale JWT role claims in refresh tokens.

Related
Detection
Affected
Refs
Paths
CNA
[
  {
    "defaultStatus": "unaffected",
    "vendor": "Smartertools",
    "product": "Smartermail",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThan": "Build 9777"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
refresh tokenrequest body/api/v1/auth/refresh-tokenA privilege escalation vulnerability exists where the server fails to revalidate the role claim embedded in a refresh token against the account's current role during redemption, allowing a demoted user to obtain a new access token with higher privileges.CWE-613

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27 Oct 2026 01:30Current
5.8Medium risk
Vulners AI Score5.8
CVSS 48.7
CVSS 3.18.8
EPSS0.00311
SSVC
23