description: Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share. Due to an error in the application logic an adversary with access to a write-only share may enumerate the names of existing files and subfolders by comparing the exception messages.
problem types: Information Exposure Through an Error Message (CWE-209)
affected:
{
product: Nextcloud Server
vendor: Nextcloud
versions:
status: affected, version: All versions before 9.0.55 and 10.0.2
}