CVEvulnerability
CVE-2026-5027
8.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-27
- Last modified
- 2026-08-18
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-22
Description
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 ('../').
Affected configurations
• langflow langflow (< 1.9.0)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://www.tenable.com/security/research/tra-2026-26 Vendor Advisory, Third Party Advisory