CVE-2025-50735

7.5 highEPSS 0.9%

High (7.5) in nextchat nextchat. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2025-11-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nextchat:nextchat

References

https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/api/webdav/%5B...path%5D/route.ts
https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/utils/cloud/webdav.ts
https://github.com/fai1424/Vulnerability-Research/tree/main/CVE-2025-50735

Check your stack JSON