Analysis of Whether Apache Tomcat Vulnerabilities Affect Ivanti EPMM, Sentry Connector, and N-MDM

Ivanti has completed its initial investigation into the impact of CVE-2026-101356, CVE-2026-101296, CVE-2026-93466, CVE-2026-74048, CVE-2026-80353, CVE-2026-88041 and CVE-2026-74049 , which all affect Apache Tomcat. EPMM, Sentry, Connector, and N-MDM do use Apache Tomcat, we have however confirme...

tomcat: Apache Tomcat: Security constraint bypass due to improper access control

A flaw was found in Apache Tomcat. This improper access control and incorrect authorization vulnerability allows an attacker to bypass security constraints. This occurs when a security constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path, potential...

tomcat: Apache Tomcat: Improper Input Validation allows HTTP/2 no-authority bypass of strict SNI validation

A flaw was found in Apache Tomcat. This improper input validation vulnerability, stemming from an incomplete fix for CVE-2026-32990, allows for an HTTP/2 no-authority bypass of strict Server Name Indication SNI validation. This could potentially lead to unauthorized access or misrouting of reques...

tomcat: Apache Tomcat: Authentication bypass via limited replay attack in DIGEST authenticator

A flaw was found in Apache Tomcat. This vulnerability, an authentication bypass by capture-replay, affects the DIGEST authenticator. A remote attacker can exploit this by making a specially crafted DIGEST authenticated request with a nonceCount at the upper boundary of the replay window. This...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

tomcat: Apache Tomcat: Unauthorized resource access via FORM authentication bypass

A flaw was found in Apache Tomcat. This incorrect authorization vulnerability occurs within the FORM authentication process, allowing a user to bypass security constraints. This bypass enables unauthorized access to resources via a GET request, even when those resources are intended to be...

tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing

A flaw was found in Apache Tomcat. An off-by-one error in the RewriteValve's N flag processing causes rewrite rules to restart at the second rule instead of the first. This vulnerability may allow an attacker to bypass intended access controls...

Important: Red Hat Security Advisory: tomcat security update

An update for tomcat is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

tomcat: Apache Tomcat: Denial of Service via HTTP/2 allocation leak

A flaw was found in Apache Tomcat. This vulnerability, an uncontrolled resource consumption issue, arises from an allocation leak in the HTTP/2 backlog tracking when a stream is reset. A remote attacker could exploit this to cause a Denial of Service DoS, making the server unresponsive or...

CVE-2017-12617

updated version of https://github.com/cyberheartmi9 CVE-2017-12617 CVE-2017-12617 critical Remote Code Execution RCE vulnerability discovered in Apache Tomcat affect systems with HTTP PUTs enabled via setting the "read-only" initialization parameter of the Default servlet to "false" are affected...

CVE-2025-24813

CVE-2025-24813 Tomcat PoC PoC for an authorized CTF/lab environment. It exploits CVE-2025-24813 via partial PUT write of a Tomcat session file, then triggers deserialization with JSESSIONID. Prerequisites Python 3 Python requests module Java JDK java and javac The included...

tomcat-line-check

tomcat-line-check CVE-2026-24880 · GHSA-563x-q5rq-57qp —— Does Apache's upgrade to version 11.0.20, 10.1.52 or 9.0.116 actually apply to you? For most people it doesn't, and there are four different ways it doesn't apply. This tool scans your artifacts and tells you which one it is. java -jar...

CVE-2019-0232

CVE-2019-0232 Apache Tomcat CGIServlet enableCmdLineArguments RCE Windows batch script injection via query string arguments Description Apache Tomcat with the CGI servlet enabled and enableCmdLineArguments=true passes query string parameters as command-line arguments to CGI scripts. On Windows,...

CVE-2020-1938-Exploitation

CVE-2020-1938 Exploitation Apache Tomcat arbitrary JSP upload leading to RCE Description CVE-2020-1938 is a critical vulnerability which impacts Apache Tomcat from 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 ⚠️ This was exploited in a Hack The Box lab. 🔗 Reference: NIST NVD Entry...

CVE-2020-1938

CVE-2020-1938 CVE-2020-1938 fixes errors in the PoC from https://github.com/Hancheng-Lei/Hacking-Vulnerability-CVE-2020-1938-Ghostcat.git and has been verified to work on Apache Tomcat/8.0.43. Practice Steps 1. Create docker-compose.yml 2. docker compose up -d 3. python3 CVE-2020-1938.py -p 8009 ...

CVE-2025-24813

CVE-2025-24813 Apache Tomcat - Remote Code Execution via Session Deserialization Unauthenticated partial PUT + path traversal + gadget-driven deserialization Description Apache Tomcat instances with the default servlet PUT enabled readonly=false allow writing files via HTTP PUT requests. By...

cve-2023-50164-poc

PoC for CVE-2023-50164 Install To install this tool you must have Go version at least 1.20 installed and configured. $ go install github.com/dwisiswant0/cve-2023-50164-poc@latest Alternatively, you can compile it by DIY: $ git clone http://github.com/dwisiswant0/cve-2023-50164-poc...

CVE-2024-50379-POC

CVE-2024-50379 Exploitation and POC This repository contains a Proof of Concept POC for CVE-2024-50379 , a vulnerability affecting Apache Tomcat. The issue involves a Time-of-Check Time-of-Use TOCTOU race condition , which can lead to Remote Code Execution RCE , especially on case-insensitive fil...

ROOT-APP-MAVEN-CVE-2025-49125 CVE-2025-49125 in org.apache.tomcat.embed:tomcat-embed-core - Patched by Root

Root has patched CVE-2025-49125 in the org.apache.tomcat.embed:tomcat-embed-core package for Root:Maven. Multiple fixed versions available...

Tomcat-CVE-2024-50379-Poc

Tomcat-CVE-2024-50379-Poc !IMPORTANT For learning and exchange only, do not use for illegal purposes RCE through a race condition in Apache Tomcat reference: https://github.com/iSee857/CVE-2024-50379-PoC Demo Usage go run main.go -u http://localhost:8080/ Todo Detection mechanism for successful...