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Multiple High-Severity Security Flaws in pgAdmin 4 Expose Database Environments to Authorization Bypass, Command Injection, and Sensitive File Disclosure

By CyberShelter Threat Intel Team
16 May 2026
CRITICAL — CVSS 9.4

01 // Executive Overview

Critical Security Risks Identified in pgAdmin 4 Server Mode Deployments

Multiple critical and high-severity vulnerabilities have been identified in pgAdmin 4 that could allow attackers to bypass authorization controls, execute arbitrary SQL queries, perform server-side request forgery (SSRF), disclose sensitive files, escalate privileges, and potentially achieve full operating system command execution.

The most severe flaw, CVE-2026-7813, carries a CVSS score of 9.4 and impacts pgAdmin 4 Server Mode deployments. Successful exploitation may allow authenticated attackers to access objects belonging to other users and potentially execute arbitrary operating system commands through Shared Servers functionality.

Additionally, several other vulnerabilities affect core administrative features such as export tools, maintenance operations, file management, authentication workflows, and LLM integrations. Consequently, organizations operating multi-user or internet-accessible pgAdmin environments face elevated compromise risks.

Critical Warning: Attackers exploiting these vulnerabilities could gain unauthorized database access, manipulate infrastructure configurations, steal sensitive credentials, or compromise the host operating system entirely.

02 // Vulnerability Breakdown

Technical Analysis of Critical and High-Severity Vulnerabilities

CVE IDSeverityVulnerability TypeImpactCVE-2026-7813Critical (9.4)Authorization BypassCross-user access and potential OS command executionCVE-2026-7816HighCommand InjectionRemote operating system command executionCVE-2026-7815HighSQL InjectionArbitrary SQL execution and possible OS compromiseCVE-2026-7818HighUnsafe DeserializationPotential remote code executionCVE-2026-7819HighPath TraversalUnauthorized file write outside permitted directoriesCVE-2026-7820MediumAuthentication WeaknessUnlimited password guessing attemptsCVE-2026-7817MediumAPI MisconfigurationArbitrary file read and SSRF exposure

CVE-2026-7813 — Authorization Bypass & Potential OS Command Execution

This vulnerability allows attackers to access resources belonging to other users within shared pgAdmin environments. Furthermore, attackers may abuse Shared Servers functionality to trigger arbitrary operating system command execution under specific conditions.

CVE-2026-7816 — Export Tool Command Injection

Unsafe handling of user-controlled input within the Export Tool’s psql copy functionality allows attackers to inject and execute malicious operating system commands remotely.

CVE-2026-7815 — SQL Injection in Maintenance Tool

Improper validation within Maintenance Tool fields allows attackers to execute arbitrary SQL commands. In some scenarios, attackers may escalate the attack toward operating system command execution through database-level functions.

CVE-2026-7818 — Unsafe Deserialization

Unsafe deserialization of session files may allow remote code execution if attackers can place malicious session files on the target server.

CVE-2026-7819 — Symlink Path Traversal

A symlink traversal vulnerability within File Manager functionality may allow attackers to write files outside intended directories, potentially leading to unauthorized file modification or credential exposure.

CVE-2026-7820 — Weak Authentication Protection

An exposed Flask-Security login endpoint allows unlimited password guessing attempts, significantly increasing brute-force attack risks against exposed pgAdmin deployments.

CVE-2026-7817 — LLM Integration Misconfiguration

Misconfigurations in pgAdmin’s LLM integration functionality may allow attackers to perform SSRF attacks or read arbitrary files from the underlying system.

03 // Potential Security Impact

Infrastructure and Database Risks

Successful exploitation of these vulnerabilities could result in severe operational and security consequences across enterprise database environments.

Potential Attack Outcomes Include:

  • Remote code execution on pgAdmin hosts
  • Unauthorized database access and manipulation
  • Cross-user privilege escalation
  • Exposure of sensitive configuration files and credentials
  • Internal infrastructure targeting via SSRF
  • Persistent compromise of database management environments
  • Deployment of malicious payloads or web shells
  • Credential theft and lateral movement across internal systems

Moreover, because pgAdmin often operates with elevated database privileges, compromise of the management interface can rapidly escalate into broader infrastructure compromise.

04 // Affected Systems & Patch Information

Immediate Upgrade Recommended

Organizations should immediately identify all vulnerable pgAdmin deployments and upgrade to the latest fixed release.

ProductVulnerable VersionsFixed VersionpgAdmin 4Prior to 9.159.15 or later

Operational Risk: Internet-exposed or multi-user pgAdmin environments face the highest risk of exploitation and should receive immediate remediation priority.

05 // Recommended Mitigation Actions

Defensive Measures & Remediation Strategy

01 — Upgrade Immediately

Upgrade all pgAdmin 4 deployments to version 9.15 or later immediately to mitigate all disclosed vulnerabilities.

02 — Restrict External Exposure

Avoid exposing pgAdmin interfaces directly to the internet. Instead, restrict access to trusted networks using VPNs, firewalls, or IP allowlists.

03 — Harden Authentication Security

Implement strong password policies and enable multi-factor authentication (MFA) wherever possible to reduce unauthorized access risks.

04 — Audit Database Activity

Review logs for suspicious SQL activity, abnormal export operations, failed authentication attempts, and unauthorized Shared Server usage.

05 — Monitor File System Activity

Monitor systems for abnormal file access patterns, unauthorized session file creation, and suspicious symlink operations.

06 — Apply Least Privilege Principles

Restrict pgAdmin permissions to only the minimum required administrative capabilities and separate database management systems from production workloads.

06 // Strategic Security Perspective

Why Database Administration Platforms Represent High-Value Targets

Database management platforms such as pgAdmin 4 often hold elevated access privileges across enterprise environments. Consequently, attackers increasingly target these tools because successful compromise can expose sensitive business data, credentials, and backend infrastructure simultaneously.

Additionally, vulnerabilities involving command injection, SQL execution, SSRF, and authorization bypass create highly dangerous attack chains capable of bypassing traditional security controls.

Organizations should therefore adopt a layered security strategy that includes:

  • Strong segmentation of database management infrastructure
  • Continuous monitoring of administrative activity
  • Strict access controls and MFA enforcement
  • Regular vulnerability scanning and patch management
  • Isolation of management interfaces from public networks

Ultimately, protecting database administration platforms is critical for maintaining the confidentiality, integrity, and availability of enterprise data environments.