CVE-2026-46477

Flowise · Flowise

A security vulnerability exists within the Flowise drag-and-drop interface used for building customized large language model flows.

Executive summary

A high-severity vulnerability in the Flowise LLM workflow platform poses a significant risk to the integrity and confidentiality of integrated data environments.

Vulnerability

The vulnerability involves an issue within the Flowise workflow interface. While specific authentication requirements are currently pending further disclosure, similar flaws in low-code platforms often permit unauthorized execution or data access.

Business impact

Successful exploitation of this flaw could result in unauthorized access to sensitive LLM data pipelines or the manipulation of workflow logic. Given the CVSS score of 8.8, this vulnerability represents a high risk that could lead to significant data exfiltration or service disruption if attackers gain control over LLM orchestration.

Remediation

Immediate Action: Update the Flowise deployment to the latest version provided by the vendor as soon as an official security patch is released.

Proactive Monitoring: Review system and application access logs for unusual traffic patterns or unauthorized API requests directed at the Flowise interface.

Compensating Controls: Implement strict network access controls and utilize a Web Application Firewall (WAF) to filter suspicious requests targeting the workflow builder.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Organizations utilizing Flowise must prioritize the monitoring of vendor security channels for patch availability. Due to the high CVSS score, it is recommended to isolate the service from public-facing networks until a verified update is applied to mitigate the risk of unauthorized workflow manipulation.