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.
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Advisories
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Fixes
Solution
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Workaround
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References
History
Wed, 30 Sep 2026 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | simple-php-router through 5.4.1.7 IP restriction bypass via forwarding headers | |
| Weaknesses | CWE-348 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-30T23:02:36.416Z
Reserved: 2026-09-30T22:32:08.870Z
Link: CVE-2026-103592
No data.
Status : Received
Published: 2026-09-30T23:16:58.963
Modified: 2026-09-30T23:16:58.963
Link: CVE-2026-103592
No data.
OpenCVE Enrichment
Updated: 2026-10-01T00:30:06Z
Weaknesses