CVE-2026-15686

EUVD-2026-63460

20.08.2026, 17:17

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 multi_query 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. Was ZDI-CAN-28201.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
zdi	CNA	7.2 HIGH	NETWORK	LOW	HIGH	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 52.44%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
adminer	adminer	5.4.2	CNA

Debian Releases

Debian Product

Codename

adminer

bookworm	vulnerable
forky	6.1.0-1 fixed
sid	6.1.0-1 fixed
trixie	no-dsa

Ubuntu Releases

Ubuntu Product

Codename

adminer

bionic	needs-triage
focal	needs-triage
jammy	needs-triage
noble	needs-triage
resolute	needs-triage
xenial	needs-triage

Common Weakness Enumeration

CWE-253 - Incorrect Check of Function Return Value
The software incorrectly checks a return value from a function, which prevents the software from detecting errors or exceptional conditions.

References

https://github.com/vrana/adminer/security/advisories/GHSA-3582-q6xq-5vf7#event-826206

https://www.zerodayinitiative.com/advisories/ZDI-26-478/