CVE-2026-17627
Received Received - Intake

Remote Code Execution in IBM Langflow OSS

Vulnerability report for CVE-2026-17627, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-04

Last updated on: 2026-09-04

Assigner: IBM Corporation

Description

IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to obtain sensitive information and inject messages into workflow history due to improper authorization.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-04
Last Modified
2026-09-04
Generated
2026-09-05
AI Q&A
2026-09-04
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ibm langflow From 1.0.0 (inc) to 1.10.2 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

IBM Langflow OSS 1.0.0 through 1.10.2 has an improper authorization issue. A remote authenticated attacker could exploit this to access sensitive information and inject messages into workflow history.

Impact Analysis

An attacker could steal sensitive data or alter workflow history, potentially leading to incorrect decisions or data leaks. Requires remote authentication but no elevated privileges.

Compliance Impact

This vulnerability could lead to unauthorized data access or tampering, violating GDPR (data protection) and HIPAA (health data security) requirements for confidentiality and integrity.

Mitigation Strategies

Upgrade IBM Langflow OSS to a version beyond 1.10.2 to address the improper authorization issue. Ensure only authenticated users have access to workflow history and sensitive information.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-17627. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart