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ModSecurity modsecurityModSecurity: Multipart form-data parser silently strips embedded line breaks from form-field values, enabling request-body inspection bypass

Risk 49
Severity
8.6
First published (updated )
CVE-2026-52747

ModSecurity modsecurityModSecurity: Transformation utf8toUnicode produces wrong output on i386 architecture

Risk 30
Severity
5.8
First published (updated )
CVE-2026-52761

ModSecurity Libmodsecurity3ModSecurity: Unsigned integer underflow in @verifySSN / @verifyCPF / @verifySVNR operators

Risk 43
Severity
8.2
First published (updated )
CVE-2026-42268

ModSecurity Libmodsecurity3libModSecurity3 denial of service via segfault when using t:hexDecode on single-character query strings

Risk 43
Severity
8.2
First published (updated )
CVE-2026-30923

oss-sec[CVE-2026-33691] OWASP CRS whitespace padding bypass vulnerability

First published (updated )
https://seclists.org/oss-sec/2026/q2/175
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ModSecurity modsecurityModSecurity's Insufficient Return Value Handling can Lead to XSS and Source Code Disclosure

Risk 33
Severity
6.9
First published (updated )
CVE-2025-54571

ModSecurity modsecurityModerate: mod_security security update

Risk 32
First published (updated )
Advisory
RHSA-2025:12838

ModSecurity modsecurityModSecurity empty XML tag causes segmentation fault

Risk 37
Severity
6.5
First published (updated )
CVE-2025-52891

ModSecurity modsecurityImportant: mod_security security update

Risk 32
First published (updated )
Advisory
RHSA-2025:8917

ModSecurity modsecurityImportant: mod_security security update

Risk 32
First published (updated )
Advisory
RHSA-2025:8922
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ModSecurity modsecurityImportant: mod_security security update

Risk 32
First published (updated )
Advisory
RHSA-2025:8937

ModSecurity modsecurityImportant: mod_security security update

Risk 28
First published (updated )
Advisory
RHSA-2025:8674

ModSecurity modsecurityModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS …

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2369827

ModSecurity modsecurityModSecurity has possible DoS vulnerability in sanitiseArg action

Risk 31
Severity
7.5
EPSS
0.06%
First published (updated )
CVE-2025-48866

ModSecurity modsecurityModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS …

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2367903
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ModSecurity modsecurityModSecurity Has Possible DoS Vulnerability

Risk 31
Severity
7.5
EPSS
0.05%
First published (updated )
CVE-2025-47947

ModSecurity Libmodsecurity3Libmodsecurity3 has possible bypass of encoded HTML entities

Risk 56
Severity
7.9
EPSS
0.04%
First published (updated )
CVE-2025-27110

ModSecurity modsecurityBuffer Overflow

Risk 43
Severity
7.5
First published (updated )
CVE-2024-46292

ModSecurity modsecurityModSecurity v3.0.x is affected by a Denial of Service vulnerability due to the global matching of re…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-1879588

ModSecurity OWASP ModSecurity Core Rule SetMalicious File Upload

Risk 43
Severity
7.5
First published (updated )
CVE-2019-13464
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ModSecurity OWASP ModSecurity Core Rule SetAn issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-933-A…

Risk 27
Severity
5.3
First published (updated )
CVE-2019-11391

ModSecurity OWASP ModSecurity Core Rule SetAn issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-933-A…

Risk 27
Severity
5.3
First published (updated )
CVE-2019-11390

ModSecurity OWASP ModSecurity Core Rule SetAn issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-933-A…

Risk 27
Severity
5.3
First published (updated )
CVE-2019-11389

ModSecurity OWASP ModSecurity Core Rule SetAn issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-932-A…

Risk 27
Severity
5.3
First published (updated )
CVE-2019-11388

ModSecurity OWASP ModSecurity Core Rule SetSQL Injection

Risk 27
Severity
5.3
First published (updated )
CVE-2019-11387
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