CVE-2026-101090 Nezha through 2.2.3 Host Header Injection via OAuth2 redirect_uri

Nezha 2.2.3 contains a Host header injection regression in the OAuth2 redirect endpoint. When the new optional dashboardhost setting is empty, /api/v1/oauth2/provider cmd/dashboard/controller/oauth2.go reflects the attacker-supplied HTTP Host header into the redirecturi sent to the identity...

CVE-2026-101090 Nezha through 2.2.3 Host Header Injection via OAuth2 redirect_uri

Nezha 2.2.3 contains a Host header injection regression in the OAuth2 redirect endpoint. When the new optional dashboardhost setting is empty, /api/v1/oauth2/provider cmd/dashboard/controller/oauth2.go reflects the attacker-supplied HTTP Host header into the redirecturi sent to the identity...

CVE-2026-101090 Nezha through 2.2.3 Host Header Injection via OAuth2 redirect_uri

Nezha 2.2.3 contains a Host header injection regression in the OAuth2 redirect endpoint. When the new optional dashboardhost setting is empty, /api/v1/oauth2/provider cmd/dashboard/controller/oauth2.go reflects the attacker-supplied HTTP Host header into the redirecturi sent to the identity...

CVE-2026-100870

Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for know...

EUVD-2026-87942

Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for know...

CVE-2026-100870 Sylius before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 Admin Password Reset Poisoning via Host Header

Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for know...

CVE-2026-100870 Sylius before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 Admin Password Reset Poisoning via Host Header

Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for know...

CVE-2026-100870

Sylius versions prior to 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 are vulnerable to administrator password-reset poisoning. The software builds password-reset links using the request Host header without proper validation. This allows unauthenticated attackers to use forged Host headers to red...

CVE-2026-100870 Sylius before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 Admin Password Reset Poisoning via Host Header

Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for know...

CVE-2026-100664

A flaw was found in Netty's HTTP/3 codec. When converting HTTP/1 requests to HTTP/3, the codec improperly prioritizes the Host header over the request-target authority. A remote, unauthenticated attacker can exploit this authority confusion by sending a request containing conflicting destination...

CVE-2026-100663

A flaw was found in Netty's HTTP/3 codec netty-codec-http3. A remote attacker can bypass security policies and tunnel allowlists when Netty acts as an HTTP/1 to HTTP/3 proxy or gateway. Due to improper translation of HTTP/1 CONNECT requests, the component uses the attacker-controlled Host header ...

CVE-2026-100724

http4k Maven package org.http4k:http4k-core before 6.49.0.0, 5.42.0.0 and 4.51.0.0 uses substring Contains matching on the Host header by default in reverseProxy and reverseProxyRouting when dispatching to configured virtual hosts. If these functions are deployed as a public-facing inbound HTTP...

EUVD-2026-87855

http4k Maven package org.http4k:http4k-core before 6.49.0.0, 5.42.0.0 and 4.51.0.0 uses substring Contains matching on the Host header by default in reverseProxy and reverseProxyRouting when dispatching to configured virtual hosts. If these functions are deployed as a public-facing inbound HTTP...

CVE-2026-100724

The http4k library (Maven package org.http4k:http4k-core) versions prior to 6.49.0.0 , 5.42.0.0 , and 4.51.0.0 are vulnerable to a Host Header Routing Bypass in the reverseProxy() and reverseProxyRouting() functions. The root cause is the use of substring (Contains) matching on the Host header wh...

CVE-2026-100724 http4k before 6.49.0.0 Host Header Routing Bypass via reverseProxy

http4k Maven package org.http4k:http4k-core before 6.49.0.0, 5.42.0.0 and 4.51.0.0 uses substring Contains matching on the Host header by default in reverseProxy and reverseProxyRouting when dispatching to configured virtual hosts. If these functions are deployed as a public-facing inbound HTTP...

CVE-2026-100724 http4k before 6.49.0.0 Host Header Routing Bypass via reverseProxy

http4k Maven package org.http4k:http4k-core before 6.49.0.0, 5.42.0.0 and 4.51.0.0 uses substring Contains matching on the Host header by default in reverseProxy and reverseProxyRouting when dispatching to configured virtual hosts. If these functions are deployed as a public-facing inbound HTTP...

CVE-2026-100724 http4k before 6.49.0.0 Host Header Routing Bypass via reverseProxy

http4k Maven package org.http4k:http4k-core before 6.49.0.0, 5.42.0.0 and 4.51.0.0 uses substring Contains matching on the Host header by default in reverseProxy and reverseProxyRouting when dispatching to configured virtual hosts. If these functions are deployed as a public-facing inbound HTTP...

CVE-2026-100870: Weak Password Recovery Mechanism for Forgotten Password

Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for know...

CVE-2026-100724: Inconsistent Interpretation of HTTP Requests

http4k Maven package org.http4k:http4k-core before 6.49.0.0, 5.42.0.0 and 4.51.0.0 uses substring Contains matching on the Host header by default in reverseProxy and reverseProxyRouting when dispatching to configured virtual hosts. If these functions are deployed as a public-facing inbound HTTP...

PT-2026-99540

Name of the Vulnerable Software and Affected Versions Sylius versions prior to 1.12.25 Sylius versions prior to 1.13.17 Sylius versions prior to 1.14.20 Sylius versions prior to 2.1.16 Sylius versions prior to 2.2.9 Description Administrator password-reset links are constructed using the request...