CVE-2026-19295
Langflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcement
CVSS Score
9.9
EPSS Score
0.0%
EPSS Percentile
0th
IBM Langflow OSS 1.0.0 through 1.11.1 allows an authenticated attacker to execute arbitrary operating system commands in the server process by saving a flow with a crafted type field value and triggering a build of a wrapper flow that references it. This allowed privilege escalation from "authenticated flow user" to arbitrary OS-level command execution under the server process identity, bypassing the LANGFLOW_ALLOW_CUSTOM_COMPONENTS=false policy control.
| CWE | CWE-95 |
| Vendor | ibm |
| Product | langflow oss |
| Published | Aug 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
IBM / Langflow OSS
1.0.0 ≤ 1.11.1