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CVE-2026-103592 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

simple-php-router through 5.4.1.7 contains an IP restriction bypass vulnerability in the IpRestrictAccess middleware that allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections. Attackers can spoof X-Forwarded-For, CF-Connecting-IP, or Client-IP headers to impersonate whitelisted addresses or evade blacklists, gaining access to IP-restricted routes.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/skipperbent/simple-php-router	[email protected]	Vendor
https://github.com/skipperbent/simple-php-router/blob/5.4.1.7/src/Pecee/Http/Middleware/IpRestrictAccess.php	[email protected]	Source CodeVendor
https://github.com/skipperbent/simple-php-router/blob/5.4.1.7/src/Pecee/Http/Request.php	[email protected]	Source CodeVendor
https://github.com/skipperbent/simple-php-router/issues/727	[email protected]	ExploitIssue TrackingTechnical DescriptionVendor
https://www.vulncheck.com/advisories/simple-php-router-through-5.4.1.7-ip-restriction-bypass-via-forwarding-headers	[email protected]	AdvisoryBundleRemedy

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-348	Use of Less Trusted Source	[email protected]

Affected Products

Product	Versions
Pecee\SimpleRouter	<= 5.4.1.7
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

1 change record found show changes