CVE-2026-2532
📋 TL;DR
This CVE describes a Server-Side Request Forgery (SSRF) vulnerability in lintsinghua DeepAudit versions up to 3.0.3. Attackers can exploit this vulnerability remotely to make the server send unauthorized requests to internal or external systems. Organizations using DeepAudit versions 3.0.3 or earlier are affected.
💻 Affected Systems
- lintsinghua DeepAudit
📦 What is this software?
Deepaudit by Lintsinghua
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access internal services, exfiltrate sensitive data, or pivot to other systems within the network.
Likely Case
Unauthorized access to internal APIs, metadata services, or cloud instance metadata leading to information disclosure.
If Mitigated
Limited impact with proper network segmentation and egress filtering in place.
🎯 Exploit Status
Remote exploitation is possible without authentication based on CVE description
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.0.4 or 3.1.0
Vendor Advisory: https://github.com/lintsinghua/DeepAudit/releases/tag/v3.0.4
Restart Required: Yes
Instructions:
1. Backup current configuration and data. 2. Stop DeepAudit service. 3. Upgrade to version 3.0.4 or 3.1.0 using package manager or manual installation. 4. Restart DeepAudit service. 5. Verify functionality.
🔧 Temporary Workarounds
Network Segmentation
linuxRestrict DeepAudit server's outbound network access to only required destinations
iptables -A OUTPUT -p tcp --dport 80 -j DROP
iptables -A OUTPUT -p tcp --dport 443 -j DROP
Input Validation
allImplement input validation for IP address parameters in the embedding_config endpoint
🧯 If You Can't Patch
- Implement strict network egress filtering to block unauthorized outbound requests
- Deploy a web application firewall (WAF) with SSRF protection rules
🔍 How to Verify
Check if Vulnerable:
Check DeepAudit version: If version ≤ 3.0.3, system is vulnerable
Check Version:
Check DeepAudit configuration files or package manager for version information
Verify Fix Applied:
Verify version is 3.0.4 or higher and check that commit da853fdd8cbe9d42053b45d83f25708ba29b8b27 is present
📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from DeepAudit server
- Requests to internal IP ranges or metadata services
Network Indicators:
- Unexpected outbound connections from DeepAudit server to internal services
SIEM Query:
source="DeepAudit" AND (dest_ip=169.254.169.254 OR dest_ip=10.* OR dest_ip=192.168.* OR dest_ip=172.16.*)
🔗 References
- https://github.com/lintsinghua/DeepAudit/
- https://github.com/lintsinghua/DeepAudit/commit/da853fdd8cbe9d42053b45d83f25708ba29b8b27
- https://github.com/lintsinghua/DeepAudit/issues/144
- https://github.com/lintsinghua/DeepAudit/pull/145
- https://github.com/lintsinghua/DeepAudit/releases/tag/v3.0.4
- https://vuldb.com/?ctiid.346120
- https://vuldb.com/?id.346120
- https://vuldb.com/?submit.748220