CVE-2025-50735

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

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

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