BIT-NGINX-GATEWAY-2026-42533 NGINX Map directive and Regex matching vulnerability

A vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and a string expression references the map's regex capture variables before referencing the map output variable. Alternatively, the same result could be achieved by using a non-cacheable variable i...

CVE-2026-42533

A vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and a string expression references the map's regex capture variables before referencing the map output variable. Alternatively, the same result could be achieved by using a non-cacheable variable i...

Exploit for CVE-2026-42945

NGINX Rift Configuration Scanner Language: Chinese | English...

OESA-2026-1107 mod_security_crs security update

The base rules are provided for modsecurity by this package. Security Fixes: 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...

OESA-2026-1105 mod_security_crs security update

The base rules are provided for modsecurity by this package. Security Fixes: 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...

OESA-2026-1104 mod_security_crs security update

The base rules are provided for modsecurity by this package. Security Fixes: 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...

CVE-2026-21876

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 first rule in a chain iterates over a...

UBUNTU-CVE-2026-21876

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 first rule in a chain iterates over a...

EUVD-2026-1669

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 first rule in a chain iterates over a...

CVE-2026-21876 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 first rule in a chain iterates over a...

CVE-2026-21876

CVE-2026-21876 : The OWASP ModSecurity Core Rule Set (CRS) had a bug in rule 922110 that affects multipart requests. In earlier versions (before 4.22.0 and 3.3.8), when a chain iterates over a collection (e.g., MULTIPART_PART_HEADERS), capture variables TX:0 and TX:1 are overwritten on each itera...

PT-2026-2115

Name of the Vulnerable Software and Affected Versions OWASP Core Rule Set versions prior to 4.22.0 OWASP Core Rule Set versions prior to 3.3.8 Description A bug in rule 922110 affects the processing of multipart requests with multiple parts. When the first rule in a chain iterates over a collecti...