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CVE-2026-54090

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.33.8, when a shell interpreter is configured (e.g. /bin/sh -c), the command allowlist can be bypassed through shell metacharacters. The allowlist validates only the first token of user input, but the entire raw string is handed to the shell — semicolons, pipes, backticks, and $() all work to chain arbitrary commands after a permitted one. This vulner
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b355817cad1b4418aa5313e0b299c284368319013c55dea755def366bfa0fbef
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-77","description":"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b14c17e0d3511a7aa80ab8ff604b1ae6e2dfdd3c49b432a81869b4dee618b3ff · sha256:5c4053afa350c341… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-184","description":"CWE-184: Incomplete List of Disallowed Inputs","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b14c17e0d3511a7aa80ab8ff604b1ae6e2dfdd3c49b432a81869b4dee618b3ff · sha256:5c4053afa350c341… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"filebrowser","vendor":"filebrowser","versions":[{"status":"affected","version":"< 2.33.8"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b14c17e0d3511a7aa80ab8ff604b1ae6e2dfdd3c49b432a81869b4dee618b3ff · sha256:5c4053afa350c341… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b14c17e0d3511a7aa80ab8ff604b1ae6e2dfdd3c49b432a81869b4dee618b3ff · sha256:5c4053afa350c341… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-77","description":"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b14c17e0d3511a7aa80ab8ff604b1ae6e2dfdd3c49b432a81869b4dee618b3ff · sha256:5c4053afa350c341… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-184","description":"CWE-184: Incomplete List of Disallowed Inputs","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b14c17e0d3511a7aa80ab8ff604b1ae6e2dfdd3c49b432a81869b4dee618b3ff · sha256:5c4053afa350c341… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/filebrowser/filebrowser/issues/5199","tags":["x_refsource_MISC"],"url":"https://github.com/filebrowser/filebrowser/issues/5199"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b14c17e0d3511a7aa80ab8ff604b1ae6e2dfdd3c49b432a81869b4dee618b3ff · sha256:5c4053afa350c341… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8c9q-7855-wfxq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b14c17e0d3511a7aa80ab8ff604b1ae6e2dfdd3c49b432a81869b4dee618b3ff · sha256:5c4053afa350c341… · /containers/adp/0/references/0
{"name":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8c9q-7855-wfxq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8c9q-7855-wfxq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b14c17e0d3511a7aa80ab8ff604b1ae6e2dfdd3c49b432a81869b4dee618b3ff · sha256:5c4053afa350c341… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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