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

0
High
Published: 08/21/2026 (08/21/2026, 00:00:00 UTC)
Source: Zero Day Initiative

Description

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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/15/2026, 05:16:17 UTC

Technical Analysis

CVE-2026-15686 is a high-severity remote code execution vulnerability in Adminer caused by an incorrect check of a function return value in the multi_query method. This flaw allows authenticated remote attackers to execute arbitrary code in the context of the web server. The vulnerability was reported to the vendor on March 6, 2026, and publicly disclosed on July 29, 2026. Adminer has issued a security update to fix this vulnerability as detailed in their advisory at https://github.com/vrana/adminer/security/advisories/GHSA-3582-q6xq-5vf7#event-826206.

Potential Impact

An authenticated attacker can execute arbitrary code on the server running Adminer, potentially leading to full compromise of the web server and associated data. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Mitigation Recommendations

Adminer has released an official update that corrects this vulnerability. Users should apply the update provided by Adminer immediately to remediate this issue. Since a fix is available, no additional mitigation steps are required beyond patching.

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Technical Details

Article Source
{"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-478/","fetched":true,"fetchedAt":"2026-07-30T15:56:09.587Z","wordCount":182}
Classification
{"confidence":0.95,"severitySource":"cvss-text","classifier":"rss-v2"}

Threat ID: 6a6b74c59c2644c7f84cc2bb

Added to database: 07/30/2026, 15:59:01 UTC

Last enriched: 08/15/2026, 05:16:17 UTC

Last updated: 09/14/2026, 22:01:32 UTC

Views: 52

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