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VulnerabilityPublished

CVE-2026-92803: LibreTranslate through 1.9.6 omits the access_check decorator from the download_file route, allowing unauthenticated access to translated files

Affects LibreTranslateSource GCVE Database

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Not known to be exploited · CVSS 5.3 Medium.

Data as of 31 Oct 2026, 20:20 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHublibretranslate/LibreTranslatepkg:github/libretranslate/LibreTranslateOther threatsAffected
  • <=1.9.6
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is available, restrict access to the download_file route through other means such as network controls or reverse proxies to prevent unauthenticated access.

Description

LibreTranslate versions through 1.9.6 have a vulnerability where the download_file route lacks the access_check decorator. This omission allows unauthenticated users to access and download translated files, bypassing API key requirements and ban lists on protected instances. The vulnerability has a medium severity with a CVSS score of 5.3.

References

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