CVE-2026-3718 ManageWP Worker <= 4.9.31 - Unauthenticated Stored Cross-Site Scripting via 'MWP-Key-Name' Header

The ManageWP Worker plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'MWP-Key-Name' HTTP request header in all versions up to, and including, 4.9.31. This is due to insufficient input sanitization and output escaping of attacker-controlled header values. This makes it...

EUVD-2026-30181

Improper sanitization of the status query parameter of the /unprotected/novaerror endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response...

Linux Distros Unpatched Vulnerability : CVE-2026-42926

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxyhttpversion to 2, and also uses proxysetbody, an attacker may be able to inject fra...

CVE-2026-32993

Improper sanitization of the status query parameter of the /unprotected/novaerror endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response...

CVE-2026-32993

Improper sanitization of the status query parameter of the /unprotected/novaerror endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response...

CVE-2026-32993

CVE-2026-32993 describes an vulnerability in cPanel & WHM where improper sanitization of the status query parameter on the /unprotected/nova_error endpoint allows an unauthenticated attacker to inject arbitrary HTTP headers in the response. The root cause is insufficient input handling for the st...

CVE-2026-32993

Improper sanitization of the status query parameter of the /unprotected/novaerror endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response...

CVE-2026-32993

Improper sanitization of the status query parameter of the /unprotected/novaerror endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response...

CVE-2026-42874

Microdot is a minimalistic Python web framework. Prior to 2.6.1, the Response.setcookie method does not sanitize its string arguments, and in particular will not detect the presence of the \r\n sequence in them. This can be a potential source of header injection attacks. For a header injection...

DEBIAN-CVE-2026-42578

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage method creates headers using...

CVE-2026-42578

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage method creates headers using...

UBUNTU-CVE-2026-42578

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage method creates headers using...

CVE-2026-42578

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage method creates headers using...

CVE-2026-42578

Netty CVE-2026-42578 affects HttpProxyHandler prior to 4.2.13.Final and 4.1.133.Final. The issue arises because HttpProxyHandler builds CONNECT requests with header validation disabled (newInitialMessage uses DefaultHttpHeadersFactory.headersFactory().withValidation(false) and then appends user-p...

CVE-2026-42578 Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage method creates headers using...

CVE-2026-42578 Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage method creates headers using...

CVE-2026-42578 Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage method creates headers using...

CVE-2026-42926

When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxyhttpversion to 2, and also uses proxysetbody, an attacker may be able to inject frame headers and payload bytes to the upstream peer. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-42926 NGINX ngx_http_proxy_v2_module vulnerability

When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxyhttpversion to 2, and also uses proxysetbody, an attacker may be able to inject frame headers and payload bytes to the upstream peer. Note: Software versions which have reached End of Technical Support EoTS are not...

K000161131: NGINX ngx_http_proxy_v2_module vulnerability CVE-2026-42926

Security Advisory Description When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxyhttpversion to 2, and also uses proxysetbody , an attacker may be able to inject frame headers and payload bytes to the upstream peer. CVE-2026-42926 Impact This vulnerability allows a remot...