Medium severity5.4NVD Advisory· Published Aug 5, 2026· Updated Aug 6, 2026
CVE-2026-7869
CVE-2026-7869
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: 1.0.0 - 1.10.3
Patches
Vulnerability mechanics
References
1- www.ibm.com/support/pages/node/7282647nvdVendor Advisory
News mentions
2- Langflow OSS: 24 Vulnerabilities Disclosed Together, Posing Severe RisksVypr Intelligence · Aug 5, 2026
- IBM Langflow OSS: 23 Vulnerabilities Disclosed Together, Enabling Code Execution and Data BreachesVypr Intelligence · Aug 5, 2026