Medium severity4.3NVD Advisory· Published Mar 28, 2017· Updated Jun 17, 2026
CVE-2016-9461
CVE-2016-9461
Description
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.
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Affected products
4Patches
Vulnerability mechanics
References
9- github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec96969573330120ccnvdIssue TrackingPatchThird Party Advisory
- github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547nvdIssue TrackingPatchThird Party Advisory
- github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36envdIssue TrackingPatchThird Party Advisory
- github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47nvdIssue TrackingPatchThird Party Advisory
- github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9nvdIssue TrackingPatchThird Party Advisory
- nextcloud.com/security/advisory/nvdPatchVendor Advisory
- owncloud.org/security/advisory/nvdPatchVendor Advisory
- hackerone.com/reports/145950nvdExploitThird Party Advisory
- www.securityfocus.com/bid/97276nvdThird Party AdvisoryVDB Entry
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