CGI versions before 5.00 for Perl return upload filenames with any client-supplied path, including ../ and Windows paths.
The name returned for an uploaded file is the filename parameter of the part's Content-Disposition header, unchanged.
An application that saves the upload under this name can be made to write outside the intended directory.
The name returned for an uploaded file is the filename parameter of the part's Content-Disposition header, unchanged.
An application that saves the upload under this name can be made to write outside the intended directory.
Metrics
Affected Vendors & Products
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Advisories
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Fixes
Solution
Upgrade to CGI 5.00 or later.
Workaround
For deployments that cannot upgrade, do not use the client-supplied upload filename as a path.
References
History
Wed, 04 Nov 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | CGI versions before 5.00 for Perl return upload filenames with any client-supplied path, including ../ and Windows paths. The name returned for an uploaded file is the filename parameter of the part's Content-Disposition header, unchanged. An application that saves the upload under this name can be made to write outside the intended directory. | |
| Title | CGI versions before 5.00 for Perl return upload filenames with any client-supplied path, including ../ and Windows paths | |
| Weaknesses | CWE-22 | |
| References |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: CPANSec
Published:
Updated: 2026-11-03T23:40:36.961Z
Reserved: 2026-11-02T17:42:19.176Z
Link: CVE-2026-120641
Vulnrichment
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NVD
Status : Received
Published: 2026-11-04T00:17:25.527
Modified: 2026-11-04T00:17:25.527
Link: CVE-2026-120641
Redhat
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OpenCVE Enrichment
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Weaknesses