Path Traversal Vulnerability in IBM Langflow OSS Product
CVE-2026-7869

5.4MEDIUM

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
5 August 2026

What is CVE-2026-7869?

IBM Langflow OSS versions 1.0.0 through 1.10.3 contain a Path Traversal vulnerability in the Knowledge Bases API, specifically during the handling of user-supplied knowledge base names. Due to insufficient sanitization of input, an authenticated attacker can exploit this weakness to manipulate file paths. By doing so, they may create directories and write files to arbitrary locations on the server's file system, potentially leading to data exposure or further attacks.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.10.3

References

https://www.ibm.com/support/pages/node/7282647
vendor-advisorypatch

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sergio Cabrera (ddlxstudio) https://github.com/nekros1xx
.