CVE-2026-81940: IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary code due to impro
Summary
IBM Langflow OSS (open-source software) versions 1.0.0 through 1.11.5 has a vulnerability where an authenticated attacker (someone with login access) can execute arbitrary code (run any commands they want) by exploiting improper handling of special characters in flow display names (the text labels users give to workflows).
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
September 10, 2026
Classification
Affected Vendors
Related Issues
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-81940
First tracked: September 10, 2026 at 08:08 PM
Classified by LLM (prompt v3) · confidence: 95%