CVE-2026-2177
📋 TL;DR
CVE-2026-2177 is a session fixation vulnerability in SourceCodester Prison Management System 1.0 that allows attackers to hijack user sessions by fixing session IDs before authentication. This affects all organizations using the vulnerable version of this prison management software. Attackers can remotely exploit this to gain unauthorized access to the system.
💻 Affected Systems
- SourceCodester Prison Management System
⚠️ 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 where attackers gain administrative access, manipulate prisoner records, access sensitive data, and potentially disrupt prison operations.
Likely Case
Unauthorized access to user accounts leading to data theft, privilege escalation, and manipulation of prison management records.
If Mitigated
Limited impact with proper session management controls, but still represents an authentication bypass risk.
🎯 Exploit Status
Exploit details are publicly disclosed on GitHub. Attack requires no authentication and is relatively simple to execute.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. If patch available, download and apply. 3. Test in staging environment. 4. Deploy to production. 5. Verify fix implementation.
🔧 Temporary Workarounds
Implement Session Regeneration
allForce session ID regeneration after successful authentication to prevent fixation attacks
// PHP example: session_regenerate_id(true); after login verification
Web Application Firewall Rules
allConfigure WAF to detect and block session fixation attempts
# Example ModSecurity rule: SecRule ARGS:sessionid "@rx ^[a-zA-Z0-9]+$" "id:1001,phase:2,deny,msg:'Possible session fixation attempt'
🧯 If You Can't Patch
- Isolate the Prison Management System behind a VPN or internal network only
- Implement strict access controls and monitor all authentication attempts
🔍 How to Verify
Check if Vulnerable:
Test if session ID remains the same before and after authentication. If session ID doesn't change after login, system is vulnerable.Check Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that session IDs are regenerated after successful authentication and old session IDs become invalid.📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts with same session ID
- Successful logins from unusual IP addresses with pre-existing session IDs
Network Indicators:
- HTTP requests with session IDs in URLs before authentication
- Unusual session ID patterns in authentication traffic
SIEM Query:
source="web_logs" AND (session_id="*" AND action="login") | stats count by session_id, src_ip | where count > 1