A severe remote code execution (RCE) vulnerability has been identified in pgAdmin4, the widely used open-source interface for PostgreSQL databases. This flaw, designated as CVE-2025-12762, impacts versions up to 9.9 and presents a significant risk by enabling attackers to execute arbitrary commands on the hosting server, thereby jeopardizing entire database infrastructures.
Details of the Vulnerability
The root of the issue lies in the improper handling of code injection during server-mode restores from PLAIN-format dump files. When pgAdmin processes these files, which are commonly utilized for backing up and migrating PostgreSQL data, it fails to adequately sanitize inputs. This oversight allows an attacker with low privileges, such as an authenticated user, to craft a malicious dump file that can inject commands, exploiting the tool’s execution of system-level operations.
This vulnerability is categorized under CWE-94, which pertains to code generation from untrusted sources. It requires only network access and no user interaction, making it alarmingly easy to exploit. The National Vulnerability Database (NVD) has classified this flaw as critical, assigning it a CVSS v3.1 score of 9.3 out of 10. Key metrics indicate a network-based attack vector, low complexity, and altered scope, resulting in high confidentiality impacts along with moderate integrity and availability risks.
Response from Developers
The advisory aligns with a GitHub issue (#9320) reported by the pgAdmin team, which traces the vulnerability to unsafe command construction during the restore process. In response, pgAdmin developers promptly addressed the issue in commit 1d39739, which was released in version 10.0.
Organizations utilizing affected setups in server mode—common in enterprise environments—face immediate threats, particularly if they handle untrusted dumps from external sources. This flaw highlights broader concerns regarding database tools, where restore functions frequently bypass stringent validation protocols.
Recommendations for Users
To mitigate risks, organizations should prioritize upgrading to pgAdmin 10.0 or later. Additionally, it is advisable to disable PLAIN-format restores whenever possible and conduct thorough audits of access controls. Given that PostgreSQL underpins a multitude of applications, this RCE vulnerability serves as a crucial reminder of the necessity for rigorous input sanitization within DevOps pipelines.
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