ZDI-26-478: Adminer multi_query Incorrect Check of Function Return Value Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adminer. Authentication is required to exploit this vulnerability. The specific flaw exists within the multiquery method. The issue results from an incorrect check of a function return value. An attacker can leverage this vulnerability to execute code in the context of the web server.
Other sources
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.
— ZDI
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch ZDI-26-478
Event History
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.