CVE-2026-65702
HighCVSS 8.6Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
Vanna through 2.0.2 has a path traversal vulnerability in FileSystemConversationStore. An unauthenticated attacker can write arbitrary JSON files and read conversation metadata outside the base directory using path traversal sequences in the conversation_id parameter.
Risk Assessment
Attackers can write malicious files or read sensitive conversation data, leading to integrity and confidentiality breaches.
Recommendation
Immediately update Vanna to version 2.0.3 or later if available, or apply temporary network restrictions to block unauthenticated requests.
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Original NVD description (English source)
Vanna through 2.0.2 contains a path traversal vulnerability in the FileSystemConversationStore persistence integration that allows unauthenticated remote attackers to write attacker-controlled JSON files to arbitrary filesystem locations and read conversation metadata from outside the intended store base directory. Attackers can supply path traversal sequences in the conversation_id parameter submitted to the unauthenticated chat API endpoints to escape the base directory during both write and read operations, enabling arbitrary file write with attacker-controlled content and unauthorized file read on the server filesystem.