CVE-2026-2076
📋 TL;DR
This CVE describes an improper authorization vulnerability in the yeqifu warehouse user management endpoints (addUser/updateUser/deleteUser). Attackers can remotely exploit this to perform unauthorized user management operations. Organizations using yeqifu warehouse with the vulnerable component are affected.
💻 Affected Systems
- yeqifu warehouse
⚠️ 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 compromise of user management system allowing attackers to create, modify, or delete any user account, potentially gaining administrative privileges or disrupting authentication systems.
Likely Case
Unauthorized user account manipulation leading to privilege escalation, account takeover, or denial of service through user deletion.
If Mitigated
Limited impact with proper network segmentation and authentication controls, though the vulnerability still exists in the application layer.
🎯 Exploit Status
The exploit has been made publicly available and targets specific user management endpoints. Some level of access to the application is required, but not necessarily authentication to the vulnerable endpoints.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown - vendor has not responded to issue report
Vendor Advisory: None available
Restart Required: Yes
Instructions:
1. Monitor the GitHub repository for patches or updates. 2. If a fix is released, update to the latest version. 3. Restart the application after updating.
🔧 Temporary Workarounds
Network Access Control
allRestrict network access to the user management endpoints to authorized IP addresses only.
Use firewall rules to restrict access to /api/user/* endpoints
Application Layer Filtering
allImplement additional authorization checks at the web server or reverse proxy level.
Configure web server (nginx/apache) to require authentication for user management endpoints
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the warehouse application from untrusted networks
- Deploy a web application firewall (WAF) with rules to detect and block unauthorized user management requests
🔍 How to Verify
Check if Vulnerable:
Check if your deployment uses code from commit aaf29962ba407d22d991781de28796ee7b4670e4 or earlier in the UserController.java fileCheck Version:
git log --oneline -1 (to check current commit hash in the repository)Verify Fix Applied:
Verify that the authorization checks in UserController.java have been properly implemented and test user management endpoints with unauthorized requests📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /api/user/add, /api/user/update, /api/user/delete endpoints
- Unexpected user creation/modification/deletion events
Network Indicators:
- HTTP requests to user management endpoints from unauthorized sources
- Unusual patterns of user management API calls
SIEM Query:
source="application.log" AND (uri_path="/api/user/add" OR uri_path="/api/user/update" OR uri_path="/api/user/delete") AND NOT user_role="admin"