PHP-CGI Argument Injection (CVE-2024-4577) for 2026-07-26
Jul 26, 2026
Exploitation
Last Updated: 00:00 UTC
CVE-2024-4577 lets an attacker pass command-line options to PHP-CGI on Windows by using a soft hyphen (%AD) that Windows best-fit mapping turns into a dash. Requests set allow_url_include and auto_prepend_file=php://input so the POST body runs as PHP. The RedTail cryptomining botnet (User-Agent libredtail-http) sprays this against every host it finds.
CVE References
MITRE ATT&CK
Tactic: Initial Access (TA0001)
Technique: T1190 — Exploit Public-Facing Application
Observed URIs
Attackers by Country
| France | 2 | 40.0% |
| China | 1 | 20.0% |
| Slovenia | 1 | 20.0% |
| India | 1 | 20.0% |
IP Address : ASN : City/Provider
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117.164.191.217 : AS56045 China Mobile communications corporation : China
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130.12.182.208 : AS197769 VPS Dedicated LLC : Slovenia
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143.110.251.6 : AS14061 DigitalOcean, LLC : Bengaluru
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185.177.72.69 : AS211590 Bucklog SARL : France
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185.190.142.132 : AS51167 Contabo GmbH : Lauterbourg