CVE-2026-33497 PoC — Langflow: /profile_pictures/{folder_name}/{file_name} endpoint file reading

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-33497.yaml

Associated Vulnerability

Title: Langflow: /profile_pictures/{folder_name}/{file_name} endpoint file reading (CVE-2026-33497)
Description:Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.7.1, in the download_profile_picture function of the /profile_pictures/{folder_name}/{file_name} endpoint, the folder_name and file_name parameters are not strictly filtered, which allows the secret_key to be read across directories. Version 1.7.1 contains a patch.

Description

Langflow < 1.7.1 contains a path traversal caused by insufficient filtering of folder_name and file_name parameters in download_profile_picture endpoint, letting attackers read secret_key across directories, exploit requires crafted request.

File Snapshot

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