CVE-2026-8183: Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

Published Aug 5, 2026
·
Updated

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to v i ew arbitrary files on the system.

Affected Software

3 affected components
IBM Langflow OSS>=1.0.0<=1.10.3
IBM Langflow OSS<=1.0.0-1.10.3
Langflow Langflow>=1.0.0<1.11.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM Langflow OSS to a version that resolves this vulnerability.

    Fixed in 1.11.0

Event History

Aug 5, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·06:23 PM
Data Sourced
via MITRE·06:23 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:17 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-8183?

The severity of CVE-2026-8183 is rated as high with a score of 7.7.

2

How do I fix CVE-2026-8183?

To fix CVE-2026-8183, upgrade IBM Langflow OSS to a version higher than 1.10.3.

3

What kind of vulnerability is CVE-2026-8183?

CVE-2026-8183 is a vulnerability related to arbitrary code execution due to improper validation in custom components.

4

What systems are affected by CVE-2026-8183?

IBM Langflow OSS versions 1.0.0 through 1.10.3 are affected by CVE-2026-8183.

5

What is the risk associated with CVE-2026-8183?

The risk associated with CVE-2026-8183 includes potential directory traversal by a remote attacker.

Contact

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