| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.tapestry:tapestry-project | ≥ 4.0, < 5.0.1 | 5.0.1 |
| tapestry | ≥ 4.0.0, < 5.0.1 | 5.0.1 |
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.
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