Manipulating classpath asset file URLs, an attacker could guess the path to a known file in the classpath and have it downloaded. If the attacker found the file with the value of the tapestry.hmac-passphrase configuration symbol, most probably the webapp's AppModule class, the value of this symbol could be used to craft a Java deserialization attack, thus running malicious injected Java code. The vector would be the t:formdata parameter from the Form component.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Http Apache Tapestry | — | Upgrade Apache Tapestry to the latest 5.x release. See the Apache Tapestry security advisories for the minimum patched version that addresses this issue. | Jun 12, 2026 | Sep 16, 2019 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub