Directory traversal vulnerability in libraries/lib.inc.php in phpPgAdmin 4.2.1 and earlier, when registerglobals is enabled, allows remote attackers to read arbitrary files via a .. (dot dot) in the language parameter to index.php.
Encoded directory traversal vulnerability in phpPgAdmin 3.1 to 3.5.3 allows remote attackers to access arbitrary files via "%2e%2e%2f" (encoded dot dot) sequences in the formLanguage parameter.