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CVE-2026-33656

🗓️ 22 Apr 2026 20:01:24Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 63 Views🌐 WEB

Admin can exploit formula to overwrite sourceId and trigger path traversal; fixed in EspoCRM 9.3.4

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Affected
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Node
espocrmespocrmRange<9.3.4
[
  {
    "vendor": "espocrm",
    "product": "espocrm",
    "versions": [
      {
        "version": "< 9.3.4",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
namerequest bodyapi/v1/AttachmentAuthenticated attachment creation used to plant payload for LFI/RCE via manipulated path (sourceId).CWE-22
typerequest bodyapi/v1/AttachmentAuthenticated attachment creation used to plant payload for LFI/RCE via manipulated path (sourceId).CWE-22
relatedTyperequest bodyapi/v1/AttachmentAuthenticated attachment creation used to plant payload for LFI/RCE via manipulated path (sourceId).CWE-22
fieldrequest bodyapi/v1/AttachmentAuthenticated attachment creation used to plant payload for LFI/RCE via manipulated path (sourceId).CWE-22
isBeingUploadedrequest bodyapi/v1/AttachmentAuthenticated attachment creation used to plant payload for LFI/RCE via manipulated path (sourceId).CWE-22
sizerequest bodyapi/v1/AttachmentAuthenticated attachment creation used to plant payload for LFI/RCE via manipulated path (sourceId).CWE-22
expressionrequest bodyapi/v1/Formula/action/runFormula engine ACL bypass by setting Attachment.sourceId to a hostile path (path traversal).CWE-22
targetTyperequest bodyapi/v1/Formula/action/runFormula engine ACL bypass by setting Attachment.sourceId to a hostile path (path traversal).CWE-22
targetIdrequest bodyapi/v1/Formula/action/runFormula engine ACL bypass by setting Attachment.sourceId to a hostile path (path traversal).CWE-22
payloadupload dataapi/v1/Attachment/chunk/{attachment_id}Upload PHP payload via chunked attachment upload associated with a poisoned path.CWE-22
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17 Jun 2026 10:37Current
7.6High risk
Vulners AI Score7.6
CVSS 3.19.1
EPSS0.005
SSVC
63