CVE-2025-50708
📋 TL;DR
This vulnerability in Perplexity AI GPT-4 version 2.51.0 allows attackers to extract sensitive information from shared chat URLs by exploiting the token component. Users who share or access chat URLs containing this version are affected, potentially exposing private conversation data.
💻 Affected Systems
- Perplexity AI GPT-4
⚠️ 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
Complete exposure of sensitive chat data including personal information, proprietary business discussions, or confidential material shared in conversations.
Likely Case
Unauthorized access to private chat content that was shared via URL, potentially exposing personal or sensitive information.
If Mitigated
Limited exposure of non-critical chat data with proper access controls and URL expiration policies in place.
🎯 Exploit Status
Exploitation requires access to or ability to guess shared chat URLs, which may be predictable or intercepted.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Monitor Perplexity AI for updates and apply when released.
🔧 Temporary Workarounds
Disable Shared Chat URLs
allTemporarily disable the chat URL sharing feature to prevent exploitation.
Implement URL Expiration
allConfigure shared URLs to expire after short time periods to limit exposure window.
🧯 If You Can't Patch
- Implement strict access controls and monitoring for shared chat URLs
- Educate users about risks of sharing chat URLs and implement data classification policies
🔍 How to Verify
Check if Vulnerable:
Check if running Perplexity AI GPT-4 version 2.51.0 and if chat URL sharing is enabled.Check Version:
Check application settings or about page for version informationVerify Fix Applied:
Verify version is updated beyond 2.51.0 and test that shared URLs no longer expose sensitive tokens.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to shared chat URLs
- Multiple failed attempts to access chat URLs
Network Indicators:
- Unusual traffic to chat URL endpoints
- Patterns of URL enumeration attempts
SIEM Query:
source="web_logs" AND (url CONTAINS "/chat/" OR url CONTAINS "token=") AND status=200