CVE-2026-81211
Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.
| CWE | CWE-862 |
| Vendor | ibm |
| Product | langflow oss |
| Published | Sep 10, 2026 |
| Last Updated | Sep 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
IBM / Langflow OSS
1.0.0 ≤ 1.11.5