CVE-2026-19295: IBM Langflow OSS 1.0.0 through 1.11.1 allows an authenticated attacker to execute arbitrary operating system commands in
Summary
IBM Langflow OSS (an open-source tool for building AI applications) versions 1.0.0 through 1.11.1 has a vulnerability where an authenticated attacker (someone with login access) can execute arbitrary OS commands (run any program or script on the server) by saving a flow with a specially crafted type field and then triggering a build of a wrapper flow that references it, bypassing security restrictions meant to prevent custom code execution.
Vulnerability Details
9.9(critical)
EPSS: 0.0%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
network
low
low
none
August 28, 2026
Classification
Taxonomy References
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-19295
First tracked: August 28, 2026 at 08:08 PM
Classified by LLM (prompt v3) · confidence: 95%