CVE-2026-2849
📋 TL;DR
This vulnerability in yeqifu warehouse allows improper access controls in cache management functions, potentially enabling unauthorized cache manipulation. Attackers can exploit this remotely to delete or sync cache data without proper authentication. All deployments using affected commits are vulnerable.
💻 Affected Systems
- yeqifu warehouse
📦 What is this software?
Warehouse by Yeqifu
⚠️ Risk & Real-World Impact
Worst Case
Complete cache data loss or corruption leading to application instability, denial of service, or data integrity issues
Likely Case
Unauthorized cache manipulation causing application performance degradation or inconsistent data presentation
If Mitigated
Minimal impact with proper authentication and authorization controls in place
🎯 Exploit Status
Exploit disclosed in GitHub issue #60, requires remote access to cache management endpoints
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Monitor GitHub repository for updates or consider forking and implementing proper access controls.
🔧 Temporary Workarounds
Network Access Restriction
linuxRestrict access to cache management endpoints using firewall rules or network segmentation
iptables -A INPUT -p tcp --dport [APP_PORT] -s [TRUSTED_NETWORK] -j ACCEPT
iptables -A INPUT -p tcp --dport [APP_PORT] -j DROP
Authentication Enforcement
allImplement authentication middleware for all cache management endpoints
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized cache management requests
- Monitor and alert on suspicious cache manipulation activities
🔍 How to Verify
Check if Vulnerable:
Check if your deployment uses commit aaf29962ba407d22d991781de28796ee7b4670e4 or earlier: git log --oneline | grep aaf29962ba407d22d991781de28796ee7b4670e4Check Version:
git rev-parse HEADVerify Fix Applied:
Test cache management endpoints with unauthenticated requests - they should return 401/403 errors📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /cache endpoints
- Cache deletion/sync operations from unexpected IPs
- 401/403 errors followed by successful cache operations
Network Indicators:
- HTTP requests to /deleteCache, /removeAllCache, /syncCache endpoints without authentication headers
- Unusual cache-related traffic patterns
SIEM Query:
source="application.logs" AND (uri_path="/deleteCache" OR uri_path="/removeAllCache" OR uri_path="/syncCache") AND NOT (user!="anonymous" OR auth_success="true")