CVE-2025-50735

Published: Nov 3, 2025Modified: Nov 5, 2025

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

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

Description

Directory traversal vulnerability in NextChat thru 2.16.0 due to the WebDAV proxy failing to canonicalize or reject dot path segments in its catch-all route, allowing attackers to gain sensitive information via authenticated or anonymous WebDAV endpoints.

Affected (1)

Products: Nextchat: Nextchat

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Nextchat Nextchat	Up to 2.16.0

Related CWEs

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/ChatGPTNextWeb/NextChat/blob/main/app/api/webdav/%5B...path%5D/route.ts

Source: cve@mitre.org

Product

https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/utils/cloud/webdav.ts

Source: cve@mitre.org

Product

https://github.com/fai1424/Vulnerability-Research/tree/main/CVE-2025-50735

Source: cve@mitre.org

ExploitThird Party Advisory

Timeline

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