UpHeron
All vulnerabilities

Servers and applications

CVE-2016-9461

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files.

Severity
Medium 4.3
Published
28 Mar 2017
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
9.0.52
Sources
NVD

Affected software

SoftwareAffected versions
NextcloudServers and applications · cpe:a:nextcloud:nextcloud_server
  • Every version before 9.0.52

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-9461
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-9461