Incomplete List of Disallowed Inputs Affecting github.com/filebrowser/filebrowser/v2/cmd package, versions <2.33.8
Threat Intelligence
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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- published1 Jul 2026
- disclosed12 Jun 2026
- creditUnknown
Introduced: 12 Jun 2026
CVE-2026-54090 Â (opens in a new tab)How to fix?
Upgrade github.com/filebrowser/filebrowser/v2/cmd to version 2.33.8 or higher.
Overview
Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs via the ParseCommand process. An attacker can execute arbitrary operating system commands by injecting shell metacharacters into allowed command input, which are then interpreted by the configured shell. This is only exploitable if command execution is enabled (--disable-exec=false), a shell interpreter such as /bin/sh -c is configured, and the user has Execute permission with at least one allowed command.