CVE-2026-4502
Arbitrary File Write and Remote Code Execution Vulnerability in Langflow v2 API
- State
- Published
- Severity
- 6.5 Medium
- Published
- Apr 30, 2026
- Updated
- Jun 12, 2026
- Reserved
- Mar 20, 2026
Description
IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | ibm |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
Langflow DesktopIBM |
|
References
- https://www.ibm.com/support/pages/node/7271097vendor-advisorypatch
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