EDB-52558

PoC

coreruleset 4.21.0 - Firewall Bypass

view exploit source exploit_dbtype webappsauthor anonimicerumpublished 2026-05-13catalog exploit_db

exploited CVEs (1)

Known CVEs related to this entry.

ID	severity	EPSS	exploitable	published
CVE-2026-21876US	medium5.3	17.9% (97th)	Exploit	2026-01-08
The OWASP core rule set (CRS) is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 4.22.0 and 3.3.8, the current rule 922…

scry

Working exploits like this target internet-facing systems. See what is exposed on your perimeter with a free passive scan.