CyberSecBulletin

Coreruleset vulnerabilities

We track 3 vulnerabilities in Coreruleset products. 3 are rated high or critical, and none are known to be exploited. The most recent was published on November 11, 2026.

3vulnerabilities
0critical
3high
0exploited
7.8average CVSS score

Latest Coreruleset vulnerabilities

  • 7.2 High severity

    coreruleset: Improper Neutralization of Special Elements

    CVE-2026-62971Coreruleset

    The OWASP core rule set (CRS) is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.10, 4.25.1, and 4.28.0, CRS rules in the 921 (protocol-attack), 930 (LFI), 931 (RFI), 932 (RCE), 933 (PHP), 934 (g

  • 8.8 High severity

    coreruleset: Inefficient Regular Expression Complexity

    CVE-2026-61619Coreruleset

    The OWASP core rule set (CRS) is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.10, 4.25.1, and 4.28.0, regular-expression denial of service (ReDoS) affects a shared regex-assembly include used

  • 7.5 High severity

    coreruleset: Improper Handling of Case Sensitivity

    CVE-2026-33691CorerulesetEPSS 3.84%

    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, .p