CVE-2026-120641

Published: Nov 4, 2026Modified: Nov 9, 2026Deferred

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Related CWEs

CWE-22

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

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (3)

https://github.com/leejo/CGI.pm/commit/5379eb18e87b7f985613f5c4f7bae94478a4fa2f.patch

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

https://metacpan.org/release/LEEJO/CGI-5.00/changes

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

Timeline

No history available yet.