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CVE-2026-55255highexplotación observadaCWE-639

Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow

68Vexday Risk Score

Prioriza la corrección. Ella explotación observada por VulnCheck y tiene prueba de concepto pública.

ssvc Actcvss 8.4epss 29%
de la publicación al arma7 días
Publicada en NVD23 jun
1ª PoC+7d
VulnCheck+3d
probabilidad de explotación
29%top 2% de las CVE
explotación observada
VulnCheck
2 exploit(s) público(s)
Acción exigida por CISAplazo federal: 2026-07-10

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, an Insecure Direct Object Reference (IDOR) vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request. This vulnerability is fixed in 1.9.1.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
Productos afectados
langflow-ai · langflow
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