Apache Tapestry - Remote Code Execution

Apache Tapestry contains a critical unauthenticated remote code execution vulnerability. Affected versions include 5.4.5, 5.5.0, 5.6.2 and 5.7.0. Note that this vulnerability is a bypass of the fix for CVE-2019-0195. Before that fix it was possible to download arbitrary class files from the...

PaperCut NG/MF <=26.0.4 - Unauthenticated ConfigEditor Access via Tapestry Complex-Direct

PaperCut NG and PaperCut MF versions 24.x through 26.x contain an authentication bypass vulnerability in the Apache Tapestry-based web interface. By crafting a complex-direct service request that specifies the public Home page as the render target while invoking the privileged ConfigEditor page's...

CVE-2021-27850_POC

CVE-2021-27850 漏洞利用 概述 CVE-2021-27850 是 Apache Tapestry 所有最新版本中发现的一个严重未经认证的远程代码执行漏洞。通过下载 AppModule.class 文件，我们可以泄露用于签名 Apache Tapestry 中所有序列化对象的 HMAC 密钥。 我们在一次真实环境评估中遇到了这个 CVE，并且据我所知，目前还没有关于 Tapestry 如何签名序列化对象的公开利用工具，因此我们决定发布以下 POC，这是我们在长时间研究 Apache Tapestry 源代码之后使用的 x。 使用方法 1- 克隆此仓库 2- 运行以下命令...

CVE-2021-27850_POC

CVE-2021-27850 Exploit Resumen CVE-2021-27850 es una vulnerabilidad crítica de ejecución remota de código no autenticada que se encontró en todas las versiones recientes de Apache Tapestry. Al descargar el archivo AppModule.class, podemos filtrar la clave secreta HMAC utilizada para firmar todos...

CVE_2021_27850_POC

Uso de comandos root@kitploit: git clone https://github.com/Ovi3/CVE202127850POC.git cd CVE202127850POC/ gradlew runnbaleJar java -jar ./build/libs/CVE202127850POC-1.0-SNAPSHOT.jar Usage: java TapestryExploit Tapestry Key DNS URL java TapestryExploit Tapestry Key CB2 Command 假设 hmac key为 change...

CVE-2026-61899

A flaw was found in Apache Tapestry tapestry-core. A remote attacker could exploit this vulnerability by manipulating URLs to download sensitive classpath assets. This could lead to unauthorized access to internal application resources. Mitigation Mitigation for this issue is either not available...

asf__tapestry-5_CVE-2019-0207_5-4-4

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Exploit for CVE-2026-81578

Professional security research tool for PaperCut NG/MF vulne...

PaperCut NG/MF Unauthenticated RCE (CVE-2026-81578 + CVE-2026-82078)

This module exploits an authentication bypass in PaperCut NG and MF. A crafted Apache Tapestry complex-direct request invokes privileged ConfigEditor components through the public Home page. On version 26, the module reconfigures external user lookup to use an H2 JDBC URL whose initialization SQL...

Incorrect Authorization

Overview org.apache.tapestry:tapestry-core is a Tapestry Core package for Apache Tapestry. Affected versions of this package are vulnerable to Incorrect Authorization via specially crafted URLs in the tapestry-core. An attacker can access sensitive files from the classpath by manipulating the URL...

CVE-2026-61899

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, which fixes this issue...

CVE-2026-61899 Apache Tapestry: Possible classpath file download through URL manipulation

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, which fixes this issue...

CVE-2026-61899

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, which fixes this issue...

CVE-2026-61899

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, which fixes this issue...

CVE-2026-61899 Apache Tapestry: Possible classpath file download through URL manipulation

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, which fixes this issue...

EUVD-2026-55243

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, which fixes this issue...

CVE-2026-61899 Apache Tapestry: Possible classpath file download through URL manipulation

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, which fixes this issue...

CVE-2026-61899: Exposure of Sensitive Information to an Unauthorized Actor

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, which fixes this issue...

CVE-2021-27850

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 found is a bypass of the fix for CVE-2019-0195. Recap: Before the fix of CVE-2019-0195 it was...

CVE-2022-31781

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 backtracking, taking exponential time to complete. Specifically, this is about the regular expression used on...