CVE-2026-7869 — Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement
IBM Langflow OSS 1.0.0 through 1.10.3 is vulnerable to Path Traversal in the Knowledge Bases API (`POST /api/v1/knowledge_bases`). This occurs because user-supplied knowledge ba…
Published: 2026-08-05 · CVSS: 5.4 · CVSS 3.1
IBM Langflow OSS 1.0.0 through 1.10.3 is vulnerable to Path Traversal in the Knowledge Bases API (`POST /api/v1/knowledge_bases`). This occurs because user-supplied knowledge base names are used directly to create file paths without proper sanitization or containment checks. An authenticated attacker can exploit this flaw to create directories and write files anywhere on the server's filesystem.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7