CVE-2026-81204: IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to execute arbitrary code due to code injection duri
Summary
IBM Langflow OSS (open-source software) versions 1.0.0 through 1.11.5 has a vulnerability that allows an attacker to run arbitrary code (any commands they want) on a system by injecting malicious code during graph construction (the process of building the visual workflow/logic structure in Langflow).
Vulnerability Details
9.8(critical)
EPSS: 0.0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
network
low
none
none
September 10, 2026
Classification
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-81204
First tracked: September 10, 2026 at 08:08 PM
Classified by LLM (prompt v3) · confidence: 95%