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coreruleset

2 known vulnerabilities.

coreruleset at a glance

Last 12 months
2
Critical · all time
1
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 1 1 December 2025: 0 vulnerabilities Dec 2025 January 2026: 1 vulnerability, 1 critical February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 1 vulnerability May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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Products

2 results · Feed

  • Medium 6.8

    OWASP CRS: Whitespace padding in filenames bypasses file upload extension checks

    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, .…

  • Critical 9.3
    CVE-2026-21876 Public exploit EPSS 17%

    OWASP CRS has multipart bypass using multiple content-type parts

    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 922110 has a bug when processing multipart requests with multiple parts. When the …