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TI-2026-65741 Aliases CVE-2026-103592GHSA-73j7-rxg8-5ccm

simple-php-router through 5.4.1.7 IP restriction bypass via forwarding headers

Priority LOW 36CWE-348Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00182 7th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
peceesimple-routerup to 5.4.1.7—No fix listedCNA
  • simple-router Vendorpecee Affected up to 5.4.1.7 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-103592
  2. 2026-10-03 Alias added: GHSA-73j7-rxg8-5ccm
  3. 2026-10-06 CISA SSVC decision points changed

References

Other 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences