LibreTranslate through 1.9.6 omits the access_check decorator from the download_file route, allowing unauthenticated access to translated files. Attackers can bypass API key requirements and abuse ban lists to download files without authentication on protected instances.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 4
https://github.com/LibreTranslate/LibreTranslate
disclosure@vulncheck.com
https://github.com/LibreTranslate/LibreTranslate/blob/v1.9.6/libretranslate/app…
disclosure@vulncheck.com
https://github.com/LibreTranslate/LibreTranslate/issues/1012
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/libretranslate-through-1.9.6-missing-acces…
disclosure@vulncheck.com