CVE-2026-18729: IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute arbitrary code due to impro
Summary
IBM Langflow OSS (an open-source tool for building AI applications) versions 1.0.0 through 1.11.1 has a vulnerability that allows an attacker who is already logged in to run malicious code on the system because the software doesn't properly control how code is generated. This is a serious security flaw because authenticated users could abuse this to take over the system.
Vulnerability Details
8.8(high)
EPSS: 0.0%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
network
low
low
none
August 28, 2026
Classification
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-18729
First tracked: August 28, 2026 at 08:08 PM
Classified by LLM (prompt v3) · confidence: 95%