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PHP EUVDEUVD-2026-49330

| CVE-2026-66397 HIGH
Path Traversal (CWE-22)
2026-07-27 disclosure@vulncheck.com GHSA-4cv6-9jjm-xp2g
Path Traversal PHP
8.6
CVSS 4.0 · Vendor: vulncheck
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Severity by source

Vendor (vulncheck) PRIMARY
8.6 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (vulncheck) · only source for this CVE.

CVSS VectorVendor: vulncheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

3
Patch available
Jul 27, 2026 - 17:02 EUVD
Analysis Generated
Jul 27, 2026 - 16:33 vuln.today
CVE Published
Jul 27, 2026 - 16:18 cve.org
HIGH 8.6

DescriptionCVE.org

phpMyFAQ before 4.1.6 fails to validate path traversal sequences in the existing_image field during category updates, allowing authenticated attackers to delete arbitrary files by exploiting insufficient sanitization in Image::delete(). Attackers can delete the database.php configuration file to disable the installation gate and access the public setup wizard to create new superadmin accounts.

Articles & Coverage 1

News 4 New PHP Vulnerabilities - 3 Critical, 2 With POC Jul 28, 2026

AnalysisAI

Path traversal in phpMyFAQ's category image deletion allows authenticated attackers to delete arbitrary files, leading to superadmin account creation. Versions before 4.1.6 fail to sanitize the existing_image parameter, permitting deletion of critical files like database.php, which disables the installation gate and exposes the setup wizard. …

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EUVD-2026-49330 vulnerability details – vuln.today
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