CVE-2026-5027 (GCVE-0-2026-5027)

Vulnerability from cvelistv5 – Published: 2026-03-27 14:54 – Updated: 2026-03-27 15:11
VLAI?
Title
Langflow - Path Traversal Arbitrary File Write via upload_user_file
Summary
The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesystem using path traversal sequences ('../').
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory
Assigner
References
Impacted products
Vendor Product Version
langflow-ai langflow Affected: 0 (custom)
Create a notification for this product.
Date Public ?
2026-03-27 16:00
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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