CVE-2026-49260: Escapeshellarg File Check Fallback
Checking an `escapeshellarg` or `escapeshellcmd` escaped string with filesystem functions like `is_executable` or `file_exists` is logically flawed. The escaped string includes shell quote characters, causing the check to fail. If this failed check unexpectedly alters control flow (e.g., falling back to unescaped input), it can result in vulnerabilities like
PHPgreprules fetch cve-2026-49260-escapeshellarg-file-check-fallback --engine opengrepDescription
Checking an `escapeshellarg` or `escapeshellcmd` escaped string with filesystem functions like `is_executable` or `file_exists` is logically flawed. The escaped string includes shell quote characters, causing the check to fail. If this failed check unexpectedly alters control flow (e.g., falling back to unescaped input), it can result in vulnerabilities like
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