What’s Vulnerable › Products

coreruleset vulnerabilities

9 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your coreruleset version is affected

Latest coreruleset vulnerabilities

• CVE-2026-33691 — OWASP CRS: Whitespace padding in filenames bypasses file upload extension checks (CVSS 7.5)
• CVE-2026-21876 — OWASP CRS has multipart bypass using multiple content-type parts (CVSS 5.3)
• CVE-2022-39958 — Response body bypass in OWASP ModSecurity Core Rule Set via repeated HTTP Range header submission with a small byte range (CVSS 7.5)
• CVE-2022-39957 — Response body bypass in OWASP ModSecurity Core Rule Set via a specialy crafted charset in the HTTP Accept header (CVSS 7.5)
• CVE-2022-39956 — Partial rule set bypass in OWASP ModSecurity Core Rule Set for HTTP multipart requests using character encoding in the Content-Type or Content-Transfer-Encoding header (CVSS 9.8)
• CVE-2022-39955 — Partial rule set bypass in OWASP ModSecurity Core Rule Set by submitting a specially crafted HTTP Content-Type header (CVSS 9.8)
• CVE-2020-22669 — (CVSS 9.8)
• CVE-2021-35368 — (CVSS 9.8)
• CVE-2018-16384 — (CVSS 7.5)