CVE-2026-1814
📋 TL;DR
A security vulnerability exists in Rapid7 Nexpose, though specific details are currently limited. The vulnerability is related to CWE-331 (Insufficient Entropy), which typically involves weak random number generation. Organizations using Rapid7 Nexpose are potentially affected.
💻 Affected Systems
- Rapid7 Nexpose
⚠️ 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
If exploited, insufficient entropy could lead to predictable cryptographic keys, session tokens, or other security-critical values, potentially enabling authentication bypass, data decryption, or privilege escalation.
Likely Case
Most probable impact would be reduced security of cryptographic operations, potentially allowing attackers to predict or brute-force security tokens or keys over time.
If Mitigated
With proper network segmentation and access controls, the impact would be limited to the Nexpose instance itself rather than broader network compromise.
🎯 Exploit Status
Exploitation would likely require understanding of the specific entropy weakness and potentially some level of access to the system.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not yet released
Vendor Advisory: https://www.rapid7.com/security-advisories/
Restart Required: Yes
Instructions:
1. Monitor Rapid7 security advisories for patch availability. 2. Apply the official patch once released. 3. Restart Nexpose services as required.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Nexpose to only authorized administrative networks
Configure firewall rules to limit inbound connections to Nexpose
Access Control Hardening
allEnsure strong authentication and minimal necessary privileges for Nexpose users
Review and tighten user permissions in Nexpose configuration
🧯 If You Can't Patch
- Isolate the Nexpose instance from critical networks and systems
- Implement additional monitoring for unusual authentication or cryptographic operations
🔍 How to Verify
Check if Vulnerable:
Check Nexpose version against future Rapid7 advisoryCheck Version:
Check Nexpose web interface or console for version informationVerify Fix Applied:
Verify installed version matches or exceeds patched version from Rapid7 advisory📡 Detection & Monitoring
Log Indicators:
- Unusual authentication patterns
- Failed cryptographic operations
- Unexpected system restarts
Network Indicators:
- Unusual traffic patterns to/from Nexpose instance
- Attempts to brute-force or predict security tokens
SIEM Query:
Search for authentication failures or cryptographic errors from Nexpose logs