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CVE-2026-45543 Nextcloud: Deleting a Forms collaborator share leaves uploaded response files accessible through a lingering Files share

🗓️ 01 Jun 2026 17:00:48Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 52 Views

Nextcloud form collaborator removal leaves uploaded respondent files accessible in versions 4.3.0 through 5.2.6 until patch 5.2.7.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-45543
1 Jun 202617:00
–attackerkb
cnnvd
CNNVD
NextCloud Forms security vulnerabilities
1 Jun 202600:00
–cnnvd
cve
CVE
CVE-2026-45543
1 Jun 202617:00
–cve
euvd
EUVD
EUVD-2026-33713
1 Jun 202617:00
–euvd
nextcloud
Nextcloud
Deleting a Forms collaborator share leaves uploaded response files accessible through a lingering Files share
13 May 202606:48
–nextcloud
mend
Mend
CVE-2026-45543
1 Jun 202617:00
–mend
nvd
NVD
CVE-2026-45543
1 Jun 202619:16
–nvd
ptsecurity
Positive Technologies
PT-2026-45531
1 Jun 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-45543: Files or Directories Accessible to External Parties
1 Jun 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-45543
5 Jun 202619:33
–redhatcve
Rows per page
[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 4.3.0, < 5.2.7",
        "status": "affected"
      }
    ]
  }
]

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