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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.

Adminer 5.3.0 至 5.4.2 版本在启用 sql-log 插件时，存在任意文件写入漏洞。该漏洞位于 文件的 参数中。经过身份验证的攻击者可以通过在 参数中提供路径遍历序列，将任意内容的 .sql 文件写入主机上任何具有写入权限的目录。

CVSS 5.4 · Medium EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1565.001 · Stored Data Manipulation

Affected Version Matrix 1

VendorProduct Version RangeStatus
vrana adminer < 5.3.0 unaffected
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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

Affected Products

Vendor Product Affected Versions CPE Subscribe
vrana adminer 0 ~ 5.3.0 -

II. Public POCs for CVE-2026-34967

# POC Description Source Link Shenlong Link
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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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