Overview
This blog post provides a detailed analysis of the CVE-2025-57760 vulnerability discovered in the Langflow tool, a tool widely used for building and deploying AI-powered agents and workflows. The vulnerability allows an authenticated user with remote code execution (RCE) access to escalate their privilege, ultimately gaining superuser access. This threat is particularly alarming as it makes potential system compromise or data leakage feasible, posing a significant risk to affected users and systems.
Vulnerability Summary
CVE ID: CVE-2025-57760
Severity: High (8.8 CVSS v3)
Attack Vector: Network
Privileges Required: Low (Authenticated User)
User Interaction: Required
Impact: System compromise; data leakage
Affected Products
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Product | Affected Versions
Langflow | All versions up to the latest release
How the Exploit Works
The exploit takes advantage of a privilege escalation vulnerability in Langflow. An authenticated user with RCE access can invoke the internal CLI command `langflow superuser` to create a new administrative user. This enables them to gain full superuser access, even if they initially registered through the UI as a regular (non-admin) account.
Conceptual Example Code
This is a conceptual example illustrating how an attacker might exploit this vulnerability using a shell command after gaining RCE access:
$ langflow superuser --username NewAdmin --password SecurePasswordWith this command, an attacker creates a new user with superuser permissions, enabling them to have full control over the system, potentially compromising it or leaking sensitive data.
Impact
The impact of this vulnerability is significant. An attacker exploiting this vulnerability can gain full superuser access, potentially compromising the system or leaking sensitive data. Given the high CVSS score of 8.8, it’s clear that the severity of this vulnerability is high and can cause considerable damage to affected systems and data.
Recommended Mitigation Strategies
As of now, the vendor has not released a patched version. Until a fix is available, users are advised to implement a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as temporary mitigation measures. These systems can detect and block suspicious activities, providing a certain level of protection against the exploitation of this vulnerability.
Stay tuned for updates regarding the release of a security patch and always ensure your systems are up-to-date with the latest security updates and patches.
