What’s Vulnerable › Vulnerabilities

CVE-2026-92803: LibreTranslate through 1.9.6 Missing Access Check on the download_file Route

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-16 · updated 2026-09-22
• Weakness: CWE-862

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

• LibreTranslate: through 1.9.6

References

• https://github.com/LibreTranslate/LibreTranslate
• https://github.com/LibreTranslate/LibreTranslate/blob/v1.9.6/libretranslate/app.py#L1029-L1030
• https://github.com/LibreTranslate/LibreTranslate/issues/1012
• https://www.vulncheck.com/advisories/libretranslate-through-1.9.6-missing-access-check-on-the-download-file-route
• https://github.com/LibreTranslate/LibreTranslate/issues/1012

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