GO-2026-5492 Caddy: Unsafe Unicode Handling in FastCGI splitPos Allows Execution of Non-PHP Files in github.com/caddyserver/caddy

Caddy: Unsafe Unicode Handling in FastCGI splitPos Allows Execution of Non-PHP Files in github.com/caddyserver/caddy...

CVE-2026-45135

Caddy is an extensible server platform that uses TLS by default. From 2.7.0 until 2.11.3, the FastCGI transport's splitPos in modules/caddyhttp/reverseproxy/fastcgi/fastcgi.go misuses golang.org/x/text/search with search.IgnoreCase when the request path contains a non-ASCII byte. Two distinct fla...

CVE-2026-45135 Caddy: Unsafe Unicode Handling in FastCGI splitPos Allows Execution of Non-PHP Files

Caddy is an extensible server platform that uses TLS by default. From 2.7.0 until 2.11.3, the FastCGI transport's splitPos in modules/caddyhttp/reverseproxy/fastcgi/fastcgi.go misuses golang.org/x/text/search with search.IgnoreCase when the request path contains a non-ASCII byte. Two distinct fla...

FrankenPHP 输入验证错误漏洞

FrankenPHP is an open-source PHP application server developed by phpnet. In versions 1.11.2 to 1.2.3 of FrankenPHP, there was a vulnerability related to input validation errors. This vulnerability stemmed from the incorrect use of the splitPos function in cgi.go when the request path contained...

Improper Handling of Case Sensitivity

Overview Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity via the splitPos function. An attacker can execute arbitrary code by uploading a file with a specially crafted Unicode filename and accessing it through a crafted URL, causing the FastCGI handler to...

GHSA-M675-2P33-XV9G Caddy: Unsafe Unicode Handling in FastCGI splitPos Allows Execution of Non-PHP Files

Summary The FastCGI transport's splitPos in modules/caddyhttp/reverseproxy/fastcgi/fastcgi.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 Caddy's FastCGI splitting into treatin...

Caddy: Unsafe Unicode Handling in FastCGI splitPos Allows Execution of Non-PHP Files

Summary The FastCGI transport's splitPos in modules/caddyhttp/reverseproxy/fastcgi/fastcgi.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 Caddy's FastCGI splitting into treatin...

PT-2026-41687

Name of the Vulnerable Software and Affected Versions Caddy versions 2.7.0 through 2.11.2 Description The FastCGI transport's splitPos function in modules/caddyhttp/reverseproxy/fastcgi/fastcgi.go misuses the search.IgnoreCase feature of the golang.org/x/text/search library when a request path...

Improper Handling of Case Sensitivity

Overview Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity through improper handling of Unicode characters in the splitPos function. An attacker can execute arbitrary code by uploading a file with a specially crafted name containing non-ASCII bytes or Unico...

PT-2026-41391

Name of the Vulnerable Software and Affected Versions FrankenPHP versions 1.11.2 through 1.12.2 Description An unsafe Unicode handling flaw exists in the CGI path splitting process. The splitPos function in cgi.go incorrectly uses the golang.org/x/text/search library with search.IgnoreCase when...

Incorrect Behavior Order: Validate Before Canonicalize

Overview Affected versions of this package are vulnerable to Incorrect Behavior Order: Validate Before Canonicalize via the splitPos function. An attacker can cause unintended execution of files by crafting URLs with specific Unicode characters that manipulate the path splitting logic, potentiall...

Incorrect Behavior Order: Validate Before Canonicalize

Overview Affected versions of this package are vulnerable to Incorrect Behavior Order: Validate Before Canonicalize via the splitPos function. An attacker can cause unintended script execution by crafting a request path containing specific multi-byte Unicode characters, which manipulates the...

Incorrect Behavior Order: Validate Before Canonicalize

Overview Affected versions of this package are vulnerable to Incorrect Behavior Order: Validate Before Canonicalize via the splitPos function. An attacker can cause unintended script execution by crafting a request path containing specific multi-byte Unicode characters, which manipulates the...

Incorrect Behavior Order: Validate Before Canonicalize

Overview Affected versions of this package are vulnerable to Incorrect Behavior Order: Validate Before Canonicalize via the splitPos function. An attacker can cause unintended script execution by crafting a request path containing specific multi-byte Unicode characters, which manipulates the...