Vulnerability · Published Sep 16, 2026 · Assigned by VulnCheck
CVE-2026-92803LibreTranslate through 1.9.6 Missing Access Check on the download_file Route
Medium 5.3
In plain English
A medium-severity missing authorization in LibreTranslate from LibreTranslate. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 55.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| LibreTranslate | LibreTranslate | 0 – through 1.9.6 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- GitHub Issue #1012 issue-tracking
- https://github.com/LibreTranslate/LibreTranslate product
- the download route is declared without the access_check decorator technical-description
- VulnCheck Advisory: LibreTranslate through 1.9.6 Missing Access Check on the download_file Route third-party-advisory