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CVE-2026-34967— Adminer sql-log Plugin 5.3.0 through 5.4.2 Arbitrary File Write

Quick assessment

Affected
vrana adminer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Jakub Vrána Adminer是Jakub Vrána个人开发者的一款轻量级的数据库管理工具。 Jakub Vrána Adminer 5.3.0版本至5.4.2版本（启用sql-log插件）存在输入验证错误漏洞，该漏洞源于plugins/sql-log.php中ns参数存在路径遍历问题，可能导致经过身份验证的攻击者向主机任意可写目录写入包含攻击者控制内容的任意.sql文件。

CVSS 5.4 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1565.001 · Stored Data Manipulation

Affected Version Matrix 1

VendorProduct Version RangeStatus
vrana adminer 5.3.0≤ 5.4.2 affected
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I. Basic Information for CVE-2026-34967

Vulnerability Information
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Vulnerability Title
Adminer sql-log Plugin 5.3.0 through 5.4.2 Arbitrary File Write
Source: CVE Program / CVE List V5
Vulnerability Description
Adminer versions 5.3.0 through 5.4.2 with the sql-log plugin enabled contain an arbitrary file write vulnerability in the ns parameter of plugins/sql-log.php. An authenticated user can supply path traversal sequences in the ns parameter to write arbitrary .sql files with attacker-controlled content to any writable directory on the host.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
Jakub Vrána Adminer 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jakub Vrána Adminer是Jakub Vrána个人开发者的一款轻量级的数据库管理工具。 Jakub Vrána Adminer 5.3.0版本至5.4.2版本（启用sql-log插件）存在输入验证错误漏洞，该漏洞源于plugins/sql-log.php中ns参数存在路径遍历问题，可能导致经过身份验证的攻击者向主机任意可写目录写入包含攻击者控制内容的任意.sql文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
vrana adminer 5.3.0 ~ 5.4.2 -

II. Public POCs for CVE-2026-34967

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III. Intelligence Information for CVE-2026-34967

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Vendor Advisories for CVE-2026-34967 (2)

Same Patch Batch · vrana · 2026-08-25 · 10 CVEs total

CVE-2026-56705 9.8 CRITICAL Adminer before 5.4.3 Remote Code Execution via MSSQL PDO DSN Injection
CVE-2026-56702 8.8 HIGH Adminer before 5.4.3 Unrestricted File Upload via AdminerFileUpload
CVE-2026-34968 8.1 HIGH Adminer before 5.4.3 Arbitrary File Deletion via SQLite Drop
CVE-2026-56703 7.2 HIGH Adminer before 5.4.3 Remote Code Execution via SQLite VACUUM INTO
CVE-2026-56706 6.8 MEDIUM Adminer before 5.4.3 CSRF Token Secret Recovery via XOR Masking
CVE-2026-56704 6.1 MEDIUM Adminer before 5.4.3 Cross-Site Scripting via MySQL Version String
CVE-2026-34964 5.8 MEDIUM Adminer before 5.5.0 SSRF via PDO DSN Injection
CVE-2026-34959 4.7 MEDIUM Adminer before 5.5.0 Open Redirect via X-Forwarded-Prefix
CVE-2026-16434 2.3 LOW Adminer before 5.5.1 X-Forwarded-Prefix Backslash Bypass

IV. Related Vulnerabilities

Same product: adminer
Same vendor: vrana
Same weakness: CWE-73

V. Comments for CVE-2026-34967

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