title: Deserialization flaw in EOL Tapestry 4.
description: A Java Serialization vulnerability was found in Apache Tapestry 4. Apache Tapestry 4 will attempt to deserialize the "sp" parameter even before invoking the page's validate method, leading to deserialization without authentication. Apache Tapestry 4 reached end of life in 2008 and no update to address this issue will be released. Apache Tapestry 5 versions are not vulnerable to this issue. Users of Apache Tapestry 4 should upgrade to the latest Apache Tapestry 5 version.
problem types: CWE-502 Deserialization of Untrusted Data
affected:
{
vendor: Apache Software Foundation
product: Apache Tapestry
versions:
version: Apache Tapestry 4, status: affected, lessThanOrEqual: 4, versionType: custom
}