Arbitrary Argument Injection Affecting github.com/filebrowser/filebrowser/v2/runner package, versions >=2.0.0-rc.1 <2.33.8
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMFILEBROWSERFILEBROWSERV2RUNNER-16110470
- published20 Apr 2026
- disclosed8 Apr 2026
- creditSaku0512
Introduced: 8 Apr 2026
CVE-2026-35585 (opens in a new tab)How to fix?
Upgrade github.com/filebrowser/filebrowser/v2/runner to version 2.33.8 or higher.
Overview
Affected versions of this package are vulnerable to Arbitrary Argument Injection through the Runner.exec process. An attacker can execute arbitrary OS commands on the server by uploading or renaming a file with a crafted filename containing shell metacharacters, which are unsafely substituted into shell command hooks configured by an administrator. This is only exploitable if the administrator has enabled shell-based hooks and included unsanitized variables such as $FILE in the hook command configuration, despite warnings.
Note:
This feature has been disabled by default for all installations from v2.33.8 onwards, including for existent installations. To exploit this vulnerability, the instance administrator must turn on a feature and ignore all the warnings about known vulnerabilities.