UpHeron
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Servers and applications

CVE-2023-39952

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1, a user can access files inside a subfolder of a groupfolder accessible to them, even if advanced permissions would block access to the subfolder. Nextcloud Server versions 25.0.8, 26.0.3, and 27.0.1 and…

Severity
Medium 6.5
Published
10 Aug 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3
Sources
NVD

Affected software

SoftwareAffected versions
NextcloudServers and applications · cpe:a:nextcloud:nextcloud_server
  • From 22.0.0 before 22.2.10.13
  • From 23.0.0 before 23.0.12.8
  • From 24.0.0 before 24.0.12.4
  • From 25.0.0 before 25.0.8
  • From 26.0.0 before 26.0.3
  • Version 27.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-39952
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-39952