Apache Tapestry vulnerabilities

11 CVEs affecting Apache Tapestry, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-61899, published 2026-08-10.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2021-27850, published 2021-04-15. Critical severity, CVSS 9.8. EPSS: 93.6% chance of exploitation in the next 30 days. A critical unauthenticated remote code execution vulnerability was found all recent versions of Apache Tapestry. The affected versions include 5.4.5, 5.5.0, 5.6.2 and 5.7.0. The vulnerability I have…
CVE-2019-0195, published 2019-09-16. Critical severity, CVSS 9.8. EPSS: 14% chance of exploitation in the next 30 days. 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…
CVE-2020-17531, published 2020-12-08. Critical severity, CVSS 9.8. EPSS: 10% chance of exploitation in the next 30 days. 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…
CVE-2014-1972, published 2015-08-22. High severity, CVSS 7.8. EPSS: 9.6% chance of exploitation in the next 30 days. Apache Tapestry before 5.3.6 relies on client-side object storage without checking whether a client has modified an object, which allows remote attackers to cause a denial of service (resource…
CVE-2019-10071, published 2019-09-16. Critical severity, CVSS 9.8. EPSS: 8.8% chance of exploitation in the next 30 days. The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the comparison of the HMAC signatures. This could lead to remote code…
CVE-2021-30638, published 2021-04-27. High severity, CVSS 7.5. EPSS: 6.6% chance of exploitation in the next 30 days. Information Exposure vulnerability in context asset handling of Apache Tapestry allows an attacker to download files inside WEB-INF if using a specially-constructed URL. This was caused by an…
CVE-2022-46366, published 2022-12-02. Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days. Apache Tapestry 3.x allows deserialization of untrusted data, leading to remote code execution. This issue is similar to but distinct from CVE-2020-17531, which applies the the (also unsupported) 4.x…
CVE-2019-0207, published 2019-09-16. High severity, CVSS 7.5. EPSS: 3.1% chance of exploitation in the next 30 days. Tapestry processes assets `/assets/ctx` using classes chain `StaticFilesFilter -> AssetDispatcher -> ContextResource`, which doesn't filter the character `\`, so attacker can perform a path traversal…
CVE-2020-13953, published 2020-09-30. Medium severity, CVSS 5.3. EPSS: 2.7% chance of exploitation in the next 30 days. In Apache Tapestry from 5.4.0 to 5.5.0, crafting specific URLs, an attacker can download files inside the WEB-INF folder of the WAR being run.
CVE-2022-31781, published 2022-07-13. High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days. Apache Tapestry up to version 5.8.1 is vulnerable to Regular Expression Denial of Service (ReDoS) in the way it handles Content Types. Specially crafted Content Types may cause catastrophic…

Latest

CVE-2026-61899, published 2026-08-10. High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days. Vulnerability in tapestry-core in Apache Tapestry 5.5.0+ on all platforms allows attackers to download clsspath assets via specially crafted URLs. Users are recommended to upgrade to version 5.9.1,…