Researchers reported CVE-2023-49785, a critical ChatGPT Next Web (NextChat) vulnerability, raising cybersecurity concerns over its SSRF exploitation potential.
NextChat is a web interface for large language models (LLMs) like ChatGPT, enabling users to interact with AI seamlessly across platforms. It is popular among businesses and individuals for its ease of integration and functionality.
CVE-2023-49785
CVE-2023-49785, disclosed on March 11, 2024, affects NextChat 2.11.2 and earlier, according to S2W Threat Intelligence.
The flaw is in the API for client settings synchronization, which lacked proper security, enabling unauthorized access.
The SSRF issue arises from the poorly secured /API/cors endpoint, which bypasses CORS policies by routing requests through the server.
The endpoint was accessible to unauthenticated users, allowing them to send malicious requests to internal services.
Attackers could exploit this SSRF vulnerability to access sensitive server data, steal authentication credentials, or misuse server privileges, risking full cloud environment compromise.
To fix this flaw, NextChat users should:
- Update: Upgrade to version 2.12.2 or later, as earlier fixes are incomplete.
- Secure Network: Block unauthorized external access to reduce SSRF risks.
- Monitor: Check system logs for signs of exploitation.
The full report provides detailed analysis and recommendations for securing NextChat.
This highlights the need for regular security checks and timely updates to protect against evolving threats.
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