An absolute path traversal vulnerability exists in parisneo/lollms-webui v9.6, specifically in the open_file endpoint of lollms_advanced.py. The sanitize_path function with allow_absolute_path=True allows an attacker to access arbitrary files and directories on a Windows system. This vulnerability can be exploited to read any file and list arbitrary directories on the affected system.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-6250
• https://huntr.com/bounties/11a8bf9d-16f3-49b3-b5fc-ad36d8993c73