CVE-2026-19286 PUBLISHED

Langflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcement

Assigner: ibm
Reserved: 07.08.2026 Published: 28.08.2026 Updated: 28.08.2026

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary code due to improper enforcement of security restrictions on the A2A public endpoint.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	IBM
Product	Langflow OSS
Versions	affected from 1.0.0 to 1.11.1 (incl.)

Solutions

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.11.2 https://pypi.org/project/langflow/

References

https://www.ibm.com/support/pages/node/7284733

Problem Types

CWE-94 Improper Control of Generation of Code ('Code Injection') CWE