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CVE-2026-45062

FrankenPHP: Unsafe Unicode Handling in CGI Path Splitting Allows Execution of Non-PHP Files PUBLISHED

Description (CNA)

FrankenPHP is a modern application server for PHP. From version 1.11.2 to before version 1.12.3, the splitPos() function in cgi.go misuses golang.org/x/text/search with search.IgnoreCase when the request path contains a non-ASCII byte. Two distinct flaws in that fallback let an attacker mislead FrankenPHP into treating a non-.php file as a .php script. In any deployment where the attacker can place content into a file served by FrankenPHP (uploads, file storage, etc.), this can be escalated to remote code execution by crafting a URL whose path triggers either flaw. This issue has been patched in version 1.12.3.

Affected (CNA)

Vendor / productVersions
php / frankenphpaffected >= 1.11.2, < 1.12.3

CWE

CWE-20, CWE-176, CWE-178

References

ADP enrichment

CISA-ADP

No English description supplied.