CVE-2026-7818
pgAdmin · pgAdmin 4
A deserialization of untrusted data vulnerability in the FileBackedSessionManager of pgAdmin 4 allows for potential unauthorized system impact.
Executive summary
A deserialization vulnerability in pgAdmin 4 versions prior to 9.15 could allow an authenticated attacker to achieve total system impact.
Vulnerability
This is a deserialization of untrusted data vulnerability (CWE-502) within the FileBackedSessionManager component. The CVSS vector (PR:L) indicates that an attacker must possess low privileges (authenticated) to successfully exploit this flaw.
Business impact
With a CVSS score of 7.0, this vulnerability poses a significant risk to the integrity and availability of the database management environment. Exploitation could lead to unauthorized code execution or system compromise, potentially exposing sensitive database credentials and administrative access.
Remediation
Immediate Action: Update pgAdmin 4 to version 9.15 or later immediately.
Proactive Monitoring: Monitor application logs for suspicious session activity or unauthorized modifications to temporary session storage files.
Compensating Controls: Restrict access to the pgAdmin management interface to trusted internal networks and enforce multi-factor authentication for all users.
Exploitation status
Public Exploit Available: No (no confirmed public exploit in available data)
Analyst recommendation
The severity of this deserialization flaw mandates an immediate update to version 9.15. Administrators should ensure that all instances of pgAdmin 4 are patched to prevent potential privilege escalation or unauthorized command execution.