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Vulnerabilities

Vulnerability · CVE-2022-40734

unisharp laravel_filemanager Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Published Sep 14, 2022 · catalog updated Sep 14, 2022 · unisharp laravel_filemanager Improper Limitation

Patch now

CVE-2022-40734 is in the CISA known-exploited catalog. Confirm unisharp laravel_filemanager Improper Limitation against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (unisharp laravel_filemanager Improper Limitation).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
5.18%
Remediation
Remediation guidance
Affected products
vendor unisharp laravel_filemanager

UniSharp laravel-filemanager (aka Laravel Filemanager) before 2.6.4 allows download?working_dir=%2F.. directory traversal to read arbitrary files, as exploited in the wild in June 2022. This is related to league/flysystem before 2.0.0.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor unisharp laravel_filemanagerversion unspecified

How to fix CVE-2022-40734

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-40734 is in the CISA known-exploited catalog. Confirm unisharp laravel_filemanager Improper Limitation against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 5.18%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 14, 2022 · VulnCheck KEV

    Detected

    UniSharp laravel-filemanager (aka Laravel Filemanager) before 2.6.4 allows download?working_dir=%2F.. directory traversal to read arbitrary files, as exploited in the wild in June 2022. This is related to league/flysystem before 2.0.0.

  2. Sep 14, 2022 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2022-40734

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-40734

    30-day exploitation probability 5.2%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2022-40734

    UniSharp laravel-filemanager (aka Laravel Filemanager) before 2.6.4 allows download?working_dir=%2F.. directory traversal to read arbitrary files, as exploited in the wild in June 2022. This is related to league/flysystem before 2.0.0.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.