Attackers exploit critical Flowise flaw CVE-2025-59528 for remote code execution

Security Affairs

April 7, 2026 at 8:16 PM

Actively Exploited

Overview

A serious vulnerability in Flowise, identified as CVE-2025-59528, is currently being exploited by attackers to execute malicious code remotely. This flaw, which has a CVSS score of 10, arises from insufficient validation of user-supplied JavaScript, allowing unauthorized access to systems and file systems. Organizations using Flowise are at risk, as this vulnerability can lead to significant security breaches. The exploitation of such vulnerabilities can result in data theft, system compromise, and other malicious activities. It's essential for users and administrators to be aware of this issue and take appropriate action to protect their systems.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Flowise software, specifically versions affected by CVE-2025-59528.
Action Required: Users should apply any available patches for Flowise as soon as they are released.
Timeline: Newly disclosed

Original Article Summary

Attackers are exploiting a critical Flowise flaw, tracked as CVE-2025-59528 (CVSS score of 10), that lets them run malicious code and access systems due to poor validation of user-supplied JavaScript. Attackers are actively exploiting a critical vulnerability in Flowise, tracked as CVE-2025-59528, that allows remote code execution and file system access. The flaw stems from improper validation […]

Impact

Flowise software, specifically versions affected by CVE-2025-59528.

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Users should apply any available patches for Flowise as soon as they are released. It is also advisable to review security settings related to JavaScript validation and implement strict input validation measures to mitigate risks.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Exploit, Vulnerability, and 1 more.

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