CVE-2026-5027
Langflow - Path Traversal Arbitrary File Write via upload_user_file
HIGH 8.8
En bref
- Source
- NVD
- EPSS
- EPSS 39.97 % · centile 99 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- tenable
- Statut NVD
- Analyzed
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 ('../').
Faiblesses (CWE)
- CWE-22 — Traversée de répertoire
Références
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | tenable |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · vulnreport@tenable.com (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2026-16668
- GCVE · GCVE-0-2026-5027
Configurations affectées (CPE NVD)
cpe:2.3:a:langflow:langflow:*:-:*:*:*:*:*:*< 1.9.0
Produits affectés
| Produit | Versions |
|---|---|
| langflow-ai · langflow | affected 0 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |