CVE-2026-24729
📋 TL;DR
This vulnerability allows remote attackers to upload malicious class files to Interinfo DreamMaker systems, which can lead to arbitrary command execution. It affects all versions before October 22, 2025. Attackers can potentially take full control of affected systems.
💻 Affected Systems
- Interinfo DreamMaker
⚠️ 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 system compromise with attacker gaining root/admin privileges, data exfiltration, ransomware deployment, and lateral movement to other systems.
Likely Case
Web server compromise leading to data theft, defacement, or use as a foothold for further attacks within the network.
If Mitigated
Attack blocked at perimeter with file upload restrictions, resulting in failed exploitation attempts logged for analysis.
🎯 Exploit Status
The advisory suggests remote exploitation is possible, and the vulnerability type (unrestricted dangerous file upload) typically has low exploitation complexity.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version from 2025/10/22 or later
Vendor Advisory: https://zuso.ai/advisory/za-2026-02
Restart Required: Yes
Instructions:
1. Download the latest version of Interinfo DreamMaker from the official vendor site. 2. Backup current configuration and data. 3. Install the update following vendor instructions. 4. Restart the DreamMaker service or server.
🔧 Temporary Workarounds
Disable file upload functionality
allTemporarily disable the vulnerable file upload feature until patching is possible
Consult DreamMaker documentation for disabling specific upload modules
Implement file type restrictions
linuxConfigure web application firewall or reverse proxy to block .class file uploads
# Example for mod_security: SecRule FILES_TMPNAMES "\.class$" "deny,status:403"
🧯 If You Can't Patch
- Implement strict file upload validation at the application layer, allowing only specific safe file types
- Isolate DreamMaker instances in network segments with strict egress filtering and no internet access
🔍 How to Verify
Check if Vulnerable:
Check DreamMaker version against the vulnerable range (before 2025/10/22) and verify if file upload functionality is enabledCheck Version:
Check DreamMaker admin interface or configuration files for version informationVerify Fix Applied:
Confirm version is 2025/10/22 or later and test file upload with malicious .class files to ensure they are rejected📡 Detection & Monitoring
Log Indicators:
- Multiple failed file upload attempts
- Uploads of .class files to DreamMaker endpoints
- Unusual process execution following file uploads
Network Indicators:
- POST requests to file upload endpoints with .class file content
- Outbound connections from DreamMaker server to unknown IPs
SIEM Query:
source="dreammaker.log" AND ("upload" AND ".class") OR ("file upload" AND "failed")