CVE-2025-0740
📋 TL;DR
An authenticated attacker can access other users' chat messages in EmbedAI by manipulating the CHAT_ID parameter in the load_messages endpoint. This affects all EmbedAI users running version 2.1 or earlier, potentially exposing sensitive conversations.
💻 Affected Systems
- EmbedAI
📦 What is this software?
Embedai by Thesamur
⚠️ Risk & Real-World Impact
Worst Case
Mass data breach exposing all user conversations, including sensitive business communications or personal information, leading to regulatory fines and reputational damage.
Likely Case
Targeted access to specific users' conversations for espionage, blackmail, or competitive intelligence gathering.
If Mitigated
Unauthorized access attempts are logged and blocked, with no data exposure beyond intended recipients.
🎯 Exploit Status
Requires authenticated access but exploitation is straightforward via parameter manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: EmbedAI version 2.2 or later
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-embedai
Restart Required: No
Instructions:
1. Download EmbedAI version 2.2 or later from official sources. 2. Replace vulnerable files with patched versions. 3. Verify endpoint access controls are functioning.
🔧 Temporary Workarounds
Endpoint Access Restriction
allTemporarily restrict access to the vulnerable endpoint using web server rules or WAF.
# Example nginx location block
location /embedai/chats/load_messages { deny all; }
🧯 If You Can't Patch
- Implement strict session validation and user authorization checks before processing chat_id parameters.
- Monitor and alert on unusual access patterns to the load_messages endpoint.
🔍 How to Verify
Check if Vulnerable:
Attempt to access another user's chat messages by modifying the chat_id parameter while authenticated as a different user.
Check Version:
Check EmbedAI version in admin panel or configuration files.
Verify Fix Applied:
Test that modifying chat_id parameters no longer returns unauthorized chat messages.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed authorization attempts on /embedai/chats/load_messages
- Successful access to chat_id values outside user's normal range
Network Indicators:
- Unusual pattern of requests to load_messages endpoint with varying chat_id parameters
SIEM Query:
source="web_logs" AND uri_path="/embedai/chats/load_messages" AND status=200 | stats count by user, chat_id