CVE-2026-67179

Genkit’s Dev UI server (default port 4000) suffers from improper validation of host request headers, enabling DNS rebinding to reach POST /api/runAction from any host on the developer’s network or any site the developer visits. This allows an attacker to execute any registered Genkit action and r...

CVE-2026-72574

A host header injection vulnerability in picocms/Pico through 2.1.4 allows an unauthenticated remote attacker to control the origin of JavaScript and CSS assets loaded by the default theme. When baseurl is unset the default, Pico::getBaseUrl in lib/Pico.php builds the base URL from unvalidated...

CVE-2026-72574

The CVE-2026-72574 entry describes a host header injection in Pico CMS (Pico, up to version 2.1.4) where Pico::getBaseUrl() builds the base URL from unvalidated request headers (Host, X-Forwarded-Host, X-Forwarded-Proto, X-Forwarded-Port) when base_url is unset. This allows an unauthenticated rem...

CVE-2026-72574 picocms Pico - Host Header Injection Enables Script Source Hijacking

A host header injection vulnerability in picocms/Pico through 2.1.4 allows an unauthenticated remote attacker to control the origin of JavaScript and CSS assets loaded by the default theme. When baseurl is unset the default, Pico::getBaseUrl in lib/Pico.php builds the base URL from unvalidated...

CVE-2026-72574

A host header injection vulnerability in picocms/Pico through 2.1.4 allows an unauthenticated remote attacker to control the origin of JavaScript and CSS assets loaded by the default theme. When baseurl is unset the default, Pico::getBaseUrl in lib/Pico.php builds the base URL from unvalidated...

CVE-2026-48061

Litestar is an Asynchronous Server Gateway Interface ASGI framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelisted domain. The AllowedHostsMiddleware trusts the...

SUSE CVE-2026-53523

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.2.0, the getRedirectURL function in oauth2.go:22-29 constructs the OAuth2 callback URL by concatenating the request's Host header with a fixed path, with zero...

GHSA-3735-5339-XFWX Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Summary Poweradmin v4.3.2 uses the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An unauthenticated attacker can poison the redirecturi sent to the Identity Provider,...

Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Summary Poweradmin v4.3.2 uses the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An unauthenticated attacker can poison the redirecturi sent to the Identity Provider,...

GO-2026-5829 Nezha Monitoring: OAuth2 Redirect URL — Host Header Injection in github.com/nezhahq/nezha

Nezha Monitoring: OAuth2 Redirect URL — Host Header Injection in github.com/nezhahq/nezha. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability...

PYSEC-2026-1055 Twisted vulnerable to NameVirtualHost Host header injection

When the host header does not match a configured host, twisted.web.vhost.NameVirtualHost will return a NoResource resource which renders the Host header unescaped into the 404 response allowing HTML and script injection. Example configuration: python from twisted.web.server import Site from...

EUVD-2026-36602

Nezha Monitoring: OAuth2 Redirect URL — Host Header Injection...

CVE-2026-54588

Poweradmin (for PowerDNS) is affected by a Host Header Injection vulnerability in auth flows. Versions prior to 4.2.4 and 4.3.3 use the HTTP_HOST header as the authoritative source for building OIDC redirect_uri, SAML ACS/SLO URLs, and logout redirects without validation. An unauthenticated attac...

CVE-2026-54588 Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

CVE-2026-54588 Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

CVE-2026-49468 LiteLLM: Authentication Bypass via Host Header Injection

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.84.0, a Host-header parsing flaw in the LiteLLM proxy could, under specific conditions, allow unauthenticated access to protected management routes. The auth layer derived the effective route from...

CVE-2026-49468 LiteLLM: Authentication Bypass via Host Header Injection

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.84.0, a Host-header parsing flaw in the LiteLLM proxy could, under specific conditions, allow unauthenticated access to protected management routes. The auth layer derived the effective route from...

CVE-2026-49468 LiteLLM: Authentication Bypass via Host Header Injection

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.84.0, a Host-header parsing flaw in the LiteLLM proxy could, under specific conditions, allow unauthenticated access to protected management routes. The auth layer derived the effective route from...

EUVD-2024-55644

IBM Engineering Workflow Management 7.0.2 through 7.0.2 Interim Fix 035, 7.0.3 through 7.0.3 Interim Fix 017, and 7.1 through 7.1 Interim Fix 004 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various...

CVE-2024-51454

Affected product: IBM Engineering Workflow Management (part of IBM Engineering Lifecycle Management). The vulnerability is a free-form HTTP header injection in HOST header parsing due to input validation weaknesses. Affected versions are 7.0.2 (with Interim Fix 035), 7.0.3 (IFix 017), and 7.1 (IF...