CVE-2026-101288 PUBLISHED

Langflow OSS is affected by multiple vulnerabilities

Assigner: ibm
Reserved: 28.09.2026 Published: 29.10.2026 Updated: 29.10.2026

IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to execute arbitrary code due to improper neutralization of special elements used in code.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	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 1.12.3 (incl.)

Solutions

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.12.4. https://pypi.org/project/langflow/1.12.4/

For Langflow OSS versions 1.0.0 - 1.12.3, follow the Prepare to upgrade instructions and release-specific configuration changes https://docs.langflow.org/release-notes , including backing up your existing installation, then follow the Langflow OSS installation instructions https://docs.langflow.org/get-started-installation to install version 1.12.4 and test your flows.

References

https://www.ibm.com/support/pages/node/7293015

Problem Types

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