CVE-2026-21876

CVE-2026-21876 OWASP CRS WAF bypass CVE-2026-21876 docker container + minimal PoC. I would like to thank @airween and @fzipi separately for their quick response! The vulnerability fix was ready in a very short time. PoC Run: cd springbootundertowstand or aspnetstand docker compose up --build...

coreruleset

Branch| Status ---|--- main| 🛡️ OWASP CRS The OWASP CRS is a set of generic attack detection rules for use with OWASP ModSecurity, OWASP Coraza, or other compatible web application firewalls. The CRS aims to protect web applications from a wide range of attacks, including the OWASP Top Ten, with a...

CVE-2026-21876

CVE-2026-21876 OWASP CRS WAF bypass CVE-2026-21876 docker container + minimal PoC. I would like to thank @airween and @fzipi separately for their quick response! The vulnerability fix was ready in a very short time. PoC POST /submit HTTP/1.1 Host: localhost User-Agent: curl/8.17.0 Accept: / Origi...

log4shell-coraza

Log4Shell Security Lab — nginx + Coraza WAF Educational / defensive purpose : this lab contains a deliberately vulnerable app Log4j 2.14.1 and a JNDI exploit kit, ONLY for learning how to detect and block Log4Shell in an isolated environment. Do not deploy to the Internet, do not use to attack...

Drupal-Exploit-Lab

Drupal-Exploit-Lab Demonstration on exploitation on Drupal 7.57 CVE-2018-7600 with and without WAFWeb Application Firewall Description The project shows how the exploitation of Drupal 7.57 looks like in two different scenarios: 1. Unprotected server → successful exploitation with Metasploit and...

web-threat-mitigation

web-threat-mitigation Hands-on lab on detecting and mitigating web app threats using OWASP ZAP, Burp Suite, and ModSecurity WAF with OWASP CRS. Case study: Spring4Shell CVE-2022-22965. Local Docker-based setup. Web Threat Mitigation Lab – OWASP ZAP, ModSecurity & CVE Exploitation This repository...

GO-2026-6692 Coraza body processor has a JSON key collision that allows unauthenticated attackers to bypass OWASP CRS inspection in github.com/corazawaf/coraza

Coraza body processor has a JSON key collision that allows unauthenticated attackers to bypass OWASP CRS inspection in github.com/corazawaf/coraza...

CRSprober

CRSprober Description This tool remotely detects the version of the OWASP Core Rule Set CRS used by a ModSecurity WAF. It also identifies the configured paranoia level PL of the CRS, providing insights into the WAF's security posture without requiring local access. Prerequisities Python 3 Usage...

GHSA-5GJ4-9GM7-2FX2 Coraza body processor has a JSON key collision that allows unauthenticated attackers to bypass OWASP CRS inspection

Summary Coraza's JSON body processor converts nested JSON properties into dot-separated ARGSPOST names without escaping dots contained in literal property names. Two distinct JSON properties can therefore collapse into the same Coraza variable An unauthenticated attacker can place a malicious val...

xss_db

RUBY RUBY는 웹 요청의 공격 가능성을 탐지하고, 위험도와 정책에 따라 대응 전략을 선택해 방어 기법을...

SUSE CVE-2026-33691

The OWASP core rule set CRS is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions .php, .phar, .jsp, .jspx by inserting whitespace...

coreruleset v4.29.0

Branch| Status ---|--- main| 🛡️ OWASP CRS The OWASP CRS is a set of generic attack detection rules for use with OWASP ModSecurity, OWASP Coraza, or other compatible web application firewalls. The CRS aims to protect web applications from a wide range of attacks, including the OWASP Top Ten, with a...

springwood-living.com Cross Site Scripting vulnerability OBB-3231673

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

FTW - Framework For Testing WAFs

This project was created by researchers from ModSecurity and Fastly to help provide rigorous tests for WAF rules. It uses the OWASP Core Ruleset V3 as a baseline to test rules on a WAF. Each rule from the ruleset is loaded into a YAML file that issues HTTP requests that will trigger these rules...