Unauthenticated Flow Execution via Webhook Endpoint in Langflow OSS (IBM Langflow OSS)
En bref
- Source
- NVD
- EPSS
- EPSS 0.50 % · centile 43 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- ibm
- Statut NVD
- Analyzed
Description
IBM Langflow OSS 1.0.0 through 1.8.4 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint.
Faiblesses (CWE)
- CWE-287 — Authentification incorrecte
Références
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | ibm |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@us.ibm.com (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2026-38281
- GCVE · GCVE-0-2026-7664
Configurations affectées (CPE NVD)
cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*≥ 1.0.0 ≤ 1.8.4
Produits affectés
| Produit | Versions |
|---|---|
| IBM · Langflow OSS | affected 1.0.0 ≤ 1.8.4 |
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 |