CVE-2025-51868
📋 TL;DR
An Insecure Direct Object Reference (IDOR) vulnerability in Dippy chat.dippy.ai v2 allows attackers to access other users' conversation histories by manipulating the conversation_id parameter. This exposes sensitive chat data to unauthorized parties. All users of Dippy v2 are affected.
💻 Affected Systems
- Dippy (chat.dippy.ai)
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access all user conversations, exposing private communications, personal information, and potentially credentials or sensitive business data.
Likely Case
Attackers systematically harvest conversation histories, compromising user privacy and potentially extracting reusable authentication tokens or sensitive information.
If Mitigated
With proper access controls, only authorized users can access their own conversations, preventing unauthorized data exposure.
🎯 Exploit Status
Exploitation requires authenticated access but minimal technical skill - just parameter manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Check for official patch from Dippy developers
2. Update to patched version when available
3. Verify access controls are properly implemented
🔧 Temporary Workarounds
Implement Access Control Validation
allAdd server-side validation to ensure users can only access their own conversation IDs
Use UUIDs Instead of Sequential IDs
allReplace predictable conversation IDs with random UUIDs to make enumeration difficult
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to detect and block suspicious conversation_id patterns
- Enable detailed logging of all conversation_history endpoint access and monitor for unauthorized access patterns
🔍 How to Verify
Check if Vulnerable:
Test if you can access another user's conversation by modifying the conversation_id parameter in conversation_history endpoint requestsCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that modifying conversation_id parameters no longer allows access to unauthorized conversations📡 Detection & Monitoring
Log Indicators:
- Multiple failed conversation access attempts
- Rapid sequential conversation_id requests
- Access to conversation IDs outside user's normal range
Network Indicators:
- Unusual patterns of requests to conversation_history endpoint
- Parameter tampering in conversation_id values
SIEM Query:
source="web_logs" AND endpoint="conversation_history" AND (conversation_id NOT IN user_conversation_list)