VulnerabilityPublished 7 Apr 2026

Critical Flowise Vulnerability in Attacker Crosshairs

Source SecurityWeek

Severity

Critical

Rated by Threat Radar

Data as of 8 Apr 2026, 10:51 UTC

What to do

AI-suggested

Until an official fix is available, avoid exposing Flowise instances to untrusted users or networks and consider restricting input that can include JavaScript code.

Description

The improper validation of user-supplied JavaScript code allows attackers to execute arbitrary code and access the file system. The post Critical Flowise Vulnerability in Attacker Crosshairs appeared first on SecurityWeek .

Impact

Successful exploitation could allow an attacker to execute arbitrary code and access the file system, potentially compromising the confidentiality and integrity of data on the affected system. No evidence of active exploitation is currently reported.

Summary

The vulnerability in Flowise arises from inadequate validation of JavaScript code supplied by users. This weakness permits attackers to execute arbitrary code, which may lead to unauthorized access to the file system. The lack of detailed version information and absence of vendor patch advisories means the exact scope and remediation status remain unclear.

References

securityweek.com/critical-flowise-vulnerability-in-attacker-crosshairs/ (opens in a new tab)

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What to do

Description

AI analysisMachine-generated, updated 7 Apr 2026, 15:46 UTC

References

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