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CVE-2026-81211: CWE-862 Missing Authorization in IBM Langflow OSS

0
High
VulnerabilityCVE-2026-81211cvecve-2026-81211cwe-862
Published: 09/10/2026 (09/10/2026, 21:34:41 UTC)
Source: CVE Database V5
Vendor/Project: IBM
Product: Langflow OSS

Description

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

IBM

Langflow OSS

Affected versions
>=1.0.0 <=1.11.5
CPE configurations (2)
cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow_oss:1.11.5:*:*:*:*:*:*:*

Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-08-26T17:03:53.158Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6aa3258a91cc7f3848ca5c56

Added to database: 09/10/2026, 21:47:54 UTC

Last updated: 09/10/2026, 21:47:54 UTC

Views: 1

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