In open-webui version 0.3.8, the endpoint `/models/upload` is vulnerable to arbitrary file write due to improper handling of user-supplied filenames. The vulnerability arises from the usage of `file_path = f"{UPLOAD_DIR}/{file.filename}"` without proper input validation or sanitization. An attacker can exploit this by manipulating the `file.filename` parameter to include directory traversal sequences, causing the resulting `file_path` to escape the intended `UPLOAD_DIR` and potentially overwrite arbitrary files on the system. This can lead to unauthorized modifications of system binaries, configuration files, or sensitive data, potentially enabling remote command execution.

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

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

huntr.dev: AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

huntr.dev: CWE-22

OR
          *cpe:2.3:a:openwebui:open_webui:0.3.8:*:*:*:*:*:*:*

huntr.dev: https://huntr.com/bounties/711beada-10fe-4567-9278-80a689da8613

huntr.dev: https://huntr.com/bounties/711beada-10fe-4567-9278-80a689da8613 Types: Exploit, Third Party Advisory

[{"vendor":"open-webui","product":"open-webui/open-webui","versions":[{"version":"unspecified","lessThanOrEqual":"latest","versionType":"custom","status":"affected"}]}]

{"timestamp":"2025-03-20T17:47:52.761888Z","id":"CVE-2024-7034","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

[{"vendor":"open-webui","product":"open-webui/open-webui","versions":[{"version":"unspecified","lessThanOrEqual":"latest","versionType":"custom","status":"affected"}]}]

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

OR
          *cpe:2.3:a:openwebui:open_webui:0.3.8:*:*:*:*:*:*:*

huntr.dev: https://huntr.com/bounties/711beada-10fe-4567-9278-80a689da8613 Types: Exploit, Third Party Advisory

In open-webui version 0.3.8, the endpoint `/models/upload` is vulnerable to arbitrary file write due to improper handling of user-supplied filenames. The vulnerability arises from the usage of `file_path = f"{UPLOAD_DIR}/{file.filename}"` without proper input validation or sanitization. An attacker can exploit this by manipulating the `file.filename` parameter to include directory traversal sequences, causing the resulting `file_path` to escape the intended `UPLOAD_DIR` and potentially overwrite arbitrary files on the system. This can lead to unauthorized modifications of system binaries, configuration files, or sensitive data, potentially enabling remote command execution.

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

CWE-22

https://huntr.com/bounties/711beada-10fe-4567-9278-80a689da8613