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CVE-2026-34607— Emlog: Path Traversal in emUnZip() allows arbitrary file write leading to RCE

CVSS 7.2 · High EPSS 0.44% · P63
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I. Basic Information for CVE-2026-34607

Vulnerability Information
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Vulnerability Title
Emlog: Path Traversal in emUnZip() allows arbitrary file write leading to RCE
Source: NVD (National Vulnerability Database)
Vulnerability Description
Emlog is an open source website building system. In versions 2.6.2 and prior, a path traversal vulnerability exists in the emUnZip() function (include/lib/common.php:793). When extracting ZIP archives (plugin/template uploads, backup imports), the function calls $zip->extractTo($path) without sanitizing ZIP entry names. An authenticated admin can upload a crafted ZIP containing entries with ../ sequences to write arbitrary files to the server filesystem, including PHP webshells, achieving Remote Code Execution (RCE). At time of publication, there are no publicly available patches.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
emlog 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
emlog是emlog开源的一套基于PHP和MySQL的CMS建站系统。 Emlog 2.6.2及之前版本存在安全漏洞，该漏洞源于emUnZip函数存在路径遍历，可能导致任意文件写入和远程代码执行。
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

VendorProductAffected VersionsCPESubscribe
emlogemlog <= 2.6.2 -

II. Public POCs for CVE-2026-34607

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III. Intelligence Information for CVE-2026-34607

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Same Patch Batch · emlog · 2026-04-03 · 5 CVEs total

CVE-2026-347876.5 MEDIUMEmlog: Local File Inclusion in plugin.php via unsanitized plugin parameter
CVE-2026-347886.5 MEDIUMEmlog: SQL Injection in tag_model::updateTagName() via unsanitized parameters
CVE-2026-342296.1 MEDIUMEmlog: Stored XSS in Comment Module via URI Scheme Validation Bypass
CVE-2026-34228Emlog: CSRF in Backend Upgrade Interface Leading to Arbitrary Remote SQL Execution and Arb

IV. Related Vulnerabilities

Same product: emlog
Same vendor: emlog
Same weakness: CWE-22

V. Comments for CVE-2026-34607

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