---
id: CVE-2026-109347
title: >-
  Adminer before 6.1.1 contains a remote code execution vulnerability that
  allows authenticated SQLite users to bypass ATTACH and VACUUM INTO
  restrictions by prefixing statements with a UTF-8 byte-order mark
summary: >-
  Adminer before 6.1.1 contains a remote code execution vulnerability that
  allows authenticated SQLite users to bypass ATTACH and VACUUM INTO
  restrictions by prefixing statements with a UTF-8 byte-order mark. Attackers
  can attach a databas…
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-94
published: '2026-10-12'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T17:17:31.517'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109347'
references:
  - url: 'https://github.com/vrana/adminer/security/advisories/GHSA-r9r5-j5q8-8c59'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/adminer-before-6.1.1-rce-via-utf-8-bom-sqlite-attach-bypass
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-12T18:00:08.209Z'
---

## Overview

Adminer before 6.1.1 contains a remote code execution vulnerability that allows authenticated SQLite users to bypass ATTACH and VACUUM INTO restrictions by prefixing statements with a UTF-8 byte-order mark. Attackers can attach a database file at a PHP-served path and create a table named with PHP code to execute it as the web server user.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.