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CVE-2026-34213

🗓️ 14 Apr 2026 21:49:55Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views🌐 WEB

Docmost allows a low privileged user to overwrite a page attachment via flawed identifier validation; fixed in 0.71.0.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
githubexploit
Exploit for Authorization Bypass Through User-Controlled Key in Docmost
26 Jun 202612:43
githubexploit
attackerkb
CVE-2026-34213
14 Apr 202621:49
attackerkb
cnnvd
Docmost 安全漏洞
14 Apr 202600:00
cnnvd
cvelist
CVE-2026-34213 Docmost has cross-page attachment overwrite via flawed attachmentId overwrite validation
14 Apr 202621:49
cvelist
euvd
EUVD-2026-22756
14 Apr 202621:49
euvd
nvd
CVE-2026-34213
14 Apr 202622:16
nvd
osv
CVE-2026-34213 Docmost has cross-page attachment overwrite via flawed attachmentId overwrite validation
14 Apr 202621:49
osv
packetstorm
📄 Docmost 0.70.x Authorization Bypass
26 Jun 202600:00
packetstorm
ptsecurity
PT-2026-32931
14 Apr 202600:00
ptsecurity
redhatcve
CVE-2026-34213
5 Jun 202619:39
redhatcve
Rows per page
NVD
Vulners
Node
docmostdocmostRange0.3.00.71.0
[
  {
    "vendor": "docmost",
    "product": "docmost",
    "versions": [
      {
        "version": ">= 0.3.0, < 0.71.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
pageIdrequest bodyapi/files/uploadOverwrites a victim attachment by supplying a different attachmentId during a generic upload, bypassing proper authorization binding between the page being edited and the attachment being overwritten (CWE-639).CWE-639
attachmentIdrequest bodyapi/files/uploadOverwrites a victim attachment by supplying a different attachmentId during a generic upload, bypassing proper authorization binding between the page being edited and the attachment being overwritten (CWE-639).CWE-639
filerequest bodyapi/files/uploadOverwrites a victim attachment by supplying a different attachmentId during a generic upload, bypassing proper authorization binding between the page being edited and the attachment being overwritten (CWE-639).CWE-639

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17 Jun 2026 10:38Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.4
EPSS0.0017
SSVC
7