CVE-2025-12765
📋 TL;DR
pgAdmin versions up to 9.9 have a vulnerability in LDAP authentication that allows attackers to bypass TLS certificate verification. This enables man-in-the-middle attacks where authentication traffic can be intercepted and potentially compromised. Organizations using pgAdmin with LDAP authentication are affected.
💻 Affected Systems
- pgAdmin
📦 What is this software?
Pgadmin 4 by Pgadmin
⚠️ Risk & Real-World Impact
Worst Case
Attackers intercept LDAP authentication traffic, capture credentials, and gain unauthorized access to pgAdmin and potentially downstream database systems.
Likely Case
Credential theft through man-in-the-middle attacks when pgAdmin communicates with LDAP servers over untrusted networks.
If Mitigated
Limited impact if LDAP communication occurs only over internal, trusted networks with proper segmentation.
🎯 Exploit Status
Exploitation requires man-in-the-middle position between pgAdmin and LDAP server.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.10 or later
Vendor Advisory: https://github.com/pgadmin-org/pgadmin4/issues/9324
Restart Required: Yes
Instructions:
1. Backup pgAdmin configuration. 2. Upgrade to pgAdmin 9.10 or later. 3. Restart pgAdmin service. 4. Verify LDAP authentication works with certificate validation.
🔧 Temporary Workarounds
Disable LDAP Authentication
allSwitch to local authentication methods until patch can be applied.
Edit pgAdmin config.py: set AUTHENTICATION_SOURCES = ['internal']
Network Segmentation
allEnsure pgAdmin-LDAP communication occurs only over trusted, isolated networks.
🧯 If You Can't Patch
- Implement strict network controls to isolate pgAdmin-LDAP traffic
- Monitor for unusual authentication patterns or failed LDAP connections
🔍 How to Verify
Check if Vulnerable:
Check pgAdmin version: if <= 9.9 and using LDAP authentication, system is vulnerable.Check Version:
pgadmin4 --versionVerify Fix Applied:
After upgrade to 9.10+, test LDAP authentication with invalid certificates - should fail.📡 Detection & Monitoring
Log Indicators:
- Failed LDAP certificate validation messages
- Unusual authentication patterns from unexpected IPs
Network Indicators:
- Unencrypted LDAP traffic to pgAdmin
- LDAP connections from unexpected network segments
SIEM Query:
source="pgadmin" AND ("LDAP" OR "authentication") AND ("certificate" OR "TLS")