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CVE-2025-71324 PoC — Flowise - Arbitrary File Read via chatId Parameter

Source
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-71324.yaml
Associated Vulnerability
Title:Flowise - Arbitrary File Read via chatId Parameter (CVE-2025-71324)
Description:Flowise before 3.0.6 contains an arbitrary file read vulnerability in the chatId parameter of the /api/v1/get-upload-file and /api/v1/openai-assistants-file/download endpoints. The chatId value is not validated and is passed to streamStorageFile(), where a fallback file-lookup path constructed without the orgId is evaluated after the storage-directory containment check, allowing path traversal beyond the intended storage directory. Unauthenticated attackers can read sensitive files such as /root/.flowise/database.sqlite, exposing all database content in the default configuration.
Description
Flowise < 3.0.6 contains a path traversal vulnerability caused by improper validation of the chatId parameter in /api/v1/get-upload-file and /api/v1/openai-assistants-file/download endpoints, letting unauthenticated attackers read arbitrary files including sensitive database files.
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