CVE Watch17 jul 2026

CVE-2026-8859

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow an attacker to write arbitrary files to unintended locations due to improper inpu

CVSS

9.9

Crítico

EPSS

—

KEV

—

Exploit Today

—

0-100

Publicado: 17 jul 2026 · Última mod.: 17 jul 2026 · CWE-22

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow an attacker to write arbitrary files to unintended locations due to improper input validation in the APIRequest component. A path traversal vulnerability exists when the "Save to File" feature is enabled, where filenames extracted from HTTP response Content-Disposition headers are not sanitized before being joined to the temporary directory path. An attacker controlling an external HTTP server can supply crafted filename values containing path traversal sequences (e.g., ../), enabling arbitrary file writes to locations accessible by the Langflow process.

Referencias oficiales

www.ibm.comhttps://www.ibm.com/support/pages/node/7278924

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