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CVE-2026-33740

🗓️ 13 Apr 2026 20:37:28Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views🌐 WEB

EspoCRM IDOR lets reading another user’s .eml via importEml before fix; fixed in version 9.3.4.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33740
13 Apr 202620:37
attackerkb
CNNVD
EspoCRM 安全漏洞
13 Apr 202600:00
cnnvd
Cvelist
CVE-2026-33740 EspoCRM: Email importEml can import and delete another user's attachment by raw fileId
13 Apr 202620:37
cvelist
EUVD
EUVD-2026-22098
13 Apr 202620:37
euvd
NVD
CVE-2026-33740
13 Apr 202621:16
nvd
Positive Technologies
PT-2026-32522
13 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-33740
5 Jun 202619:31
redhatcve
Vulnrichment
CVE-2026-33740 EspoCRM: Email importEml can import and delete another user's attachment by raw fileId
13 Apr 202620:37
vulnrichment
NVD
Vulners
Node
espocrmespocrmRange<9.3.4
[
  {
    "vendor": "espocrm",
    "product": "espocrm",
    "versions": [
      {
        "version": "< 9.3.4",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
fileIdrequest body/api/v1/Email/importEmlIDOR: attacker-supplied fileId in POST /api/v1/Email/importEml allows reading another user's .eml attachment by bypassing authorization, enabling import of the victim's attachment into attacker mailbox.CWE-639

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17 Jun 2026 10:38Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.4
EPSS0.00211
SSVC
7