CVE-2026-41265Public exploitNetwork attack vector

Unauthenticated command execution via LLM-generated Python

Published Apr 23, 2026 · Updated Apr 23, 2026

Command injection in Flowise before 3.1.0 allows remote attackers to execute arbitrary commands through an Airtable Agent chatflow. The Airtable_Agents run method passes LLM-generated Python to Pyodide after a bypassable regex blocklist, allowing disguised imports to invoke OS commands. Exploitation requires a reachable chatflow configured with the Airtable Agent node and an LLM that produces the injected script; commands run as the Flowise service account.

CVSS severity9.2
Critical
EPSS probability0.57%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in Flowise before 3.1.0 allows remote attackers to execute arbitrary commands through an Airtable Agent chatflow. The Airtable_Agents run method passes LLM-generated Python to Pyodide after a bypassable regex blocklist, allowing disguised imports to invoke OS commands. Exploitation requires a reachable chatflow configured with the Airtable Agent node and an LLM that produces the injected script; commands run as the Flowise service account.

The record

CVE
CVE-2026-41265
Published
Apr 23, 2026
Updated
Apr 23, 2026
Vendor
FlowiseAI
Product
Flowise
Classifications
CWE-77, T1190, T1059.006
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 3.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

FlowiseAI · Flowiseversion=< 3.1.0

Published CVSS scores

9.8TrendAI Zero Day InitiativeCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.2GitHub, Inc.CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
T1190Exploit Public-Facing Application
T1059.006Command and Scripting Interpreter: Python

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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