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

Quick assessment

Affected
LibreTranslate LibreTranslate
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-92803

Vulnerability Information

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Vulnerability Title
LibreTranslate through 1.9.6 Missing Access Check on the download_file Route
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
LibreTranslate LibreTranslate 0 ~ 1.9.6 -

II. Public POCs for CVE-2026-92803

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III. Intelligence Information for CVE-2026-92803

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Other References for CVE-2026-92803 (3)

IV. Related Vulnerabilities

Same product: LibreTranslate
Same vendor: LibreTranslate
Same weakness: CWE-862

V. Comments for CVE-2026-92803

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