CVE-2026-8635 PUBLISHED

Arbitrary Code Execution in Python Interpreter Component

Assigner: ibm
Reserved: 14.05.2026 Published: 17.07.2026 Updated: 17.07.2026

IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated users to escalate privileges to superuser by directly manipulating the database, execute arbitrary system commands, and achieve full system compromise with Langflow service permissions.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.9

Attack Vector	Network	Scope	Changed
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 1.10.0 (incl.)

Solutions

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.10.1 https://pypi.org/project/langflow/

Credits

XlabAI (XlabAITeam) xlabai@tencent.com finder

References

https://www.ibm.com/support/pages/node/7278925

Problem Types

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