UpHeron
All vulnerabilities

Servers and applications

CVE-2023-26482

Nextcloud server is an open source home cloud implementation. In affected versions a missing scope validation allowed users to create workflows which are designed to be only available for administrators. Some workflows are designed to be RCE by invoking defined scripts, in order to generate PDFs, invoking webhooks or running scripts on the server. Due to this combination depending on the…

Severity
High 8.8
Published
30 Mar 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
20.0.14.12, 21.0.9.10, 22.2.10.10, 23.0.12.5, 24.0.10, 25.0.4
Sources
NVD

Affected software

SoftwareAffected versions
NextcloudServers and applications · cpe:a:nextcloud:nextcloud_server
  • From 18.0.0 before 20.0.14.12
  • From 21.0.0 before 21.0.9.10
  • From 22.0.0 before 22.2.10.10
  • From 23.0.0 before 23.0.12.5
  • From 24.0.0 before 24.0.10
  • From 25.0.0 before 25.0.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-26482
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-26482