CVE-2026-8635
Received Received - Intake

Authenticated Privilege Escalation in IBM Langflow OSS

Publication date: 2026-07-17

Last updated on: 2026-07-17

Assigner: IBM Corporation

Description
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.

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Meta Information

Published
2026-07-17
Last Modified
2026-07-17
Generated
2026-07-18
AI Q&A
2026-07-17
EPSS Evaluated
N/A
NVD
CVE-2026-8635
EUVD
EUVD-2026-45270

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
ibm langflow From 1.0.0 (inc) to 1.10.0 (inc)
ibm langflow_oss From 1.0.0 (inc) to 1.10.0 (inc)
ibm langflow_oss 1.10.1

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

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Executive Summary

CVE-2026-8635 is a critical vulnerability in IBM Langflow OSS versions 1.0.0 through 1.10.0. It allows authenticated users to escalate privileges to superuser by directly manipulating the database, executing arbitrary system commands, and achieving full system compromise with Langflow service permissions.

Detection Guidance

Check Langflow OSS version installed on your system. If it is between 1.0.0 and 1.10.0, the system is vulnerable. Run: pip show langflow or check version in application logs.

Impact Analysis

An attacker with valid credentials could bypass security controls, access sensitive data, modify user permissions, execute malicious system commands, and take full control of the affected system with Langflow service permissions.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating compliance requirements for GDPR, HIPAA, and other regulations. Full system compromise may result in data breaches and non-compliance penalties.

Mitigation Strategies

Upgrade Langflow OSS to version 1.10.1 or later immediately. Remove unnecessary user permissions and review database access logs for suspicious activity.

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