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CVE-2026-77173

🗓️ 27 Oct 2026 16:15:34Reported by hackeroneType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Confidential information in docx or odt files with # in the filename is not marked.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-77173
27 Oct 202616:48
–circl
cvelist
Cvelist
CVE-2026-77173
27 Oct 202616:15
–cvelist
euvd
EUVD
EUVD-2026-111128
27 Oct 202616:15
–euvd
nextcloud
Nextcloud
Files Confidential tagging can be bypassed with # in filename
27 Oct 202611:00
–nextcloud
hackerone
Hacker One
Nextcloud: Files Confidential tagging can be bypassed with # in filename
18 Apr 202616:44
–hackerone
nvd
NVD
CVE-2026-77173
27 Oct 202617:17
–nvd
ptsecurity
Positive Technologies
PT-2026-126671
27 Oct 202600:00
–ptsecurity
Vulners
[
  {
    "defaultStatus": "unaffected",
    "vendor": "Nextcloud",
    "product": "Files Confidential",
    "versions": [
      {
        "version": "3.3.0",
        "status": "affected",
        "lessThanOrEqual": "5.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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28 Oct 2026 14:47Current
5.4Medium risk
Vulners AI Score5.4
CVSS 34.3
EPSS0.00207
8