simple-php-router through 5.4.1.7 IP restriction bypass via forwarding headers
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.
CVE-2026-103592
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-103592
simple-router
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/skipperbent/simple-php-router",
"vendor": "pecee",
"product": "simple-router",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "5.4.1.7"
}
],
"packageURL": "pkg:composer/pecee/simple-router",
"programFiles": [
"src/Pecee/Http/Middleware/IpRestrictAccess.php",
"src/Pecee/Http/Request.php"
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-103592
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #8958 · Revision 1
- Added to Heist Feed
- Publisher date