ZDI-26-478: Adminer multi_query Incorrect Check of Function Return Value Remote Code Execution Vulnerability

Published Jul 29, 2026

Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adminer. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-15686.

Affected Software

1 affected component

Adminer

Event History

Jul 29, 2026

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Frequently Asked Questions

Who is realistically exposed to exploitation?

Only authenticated users can exploit this issue. Installations where untrusted or low-privileged users can authenticate to Adminer are therefore the most relevant exposure scenario.

What does an attacker need to exploit the vulnerability?

An attacker needs valid authentication to the affected Adminer installation and can then execute arbitrary code. The provided information does not state any additional prerequisites, affected versions, or configuration conditions.

Is a default Adminer configuration known to be affected, and are temporary mitigations available?

The available information does not say whether Adminer's default configuration is affected or identify any mitigation when patching cannot occur immediately.

ZDI-26-478: Adminer multi_query Incorrect Check of Function Return Value Remote Code Execution Vulnerability

Affected Software

Event History

Frequently Asked Questions

Who is realistically exposed to exploitation?

What does an attacker need to exploit the vulnerability?

Is a default Adminer configuration known to be affected, and are temporary mitigations available?

Company

Resources

Contact

Frequently Asked Questions

Who is realistically exposed to exploitation?

What does an attacker need to exploit the vulnerability?

Is a default Adminer configuration known to be affected, and are temporary mitigations available?