Starlette - Improper Validation of Unsafe Equivalence in Input

A flaw was found in Starlette, a lightweight ASGI Asynchronous Server Gateway Interface framework. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP Host request header. This malformed header could cause the request.url to be incorrectly reconstructed, leading...

Astro SSR - Server-Side Request Forgery

Astro before 5.17.3 and @astrojs/node before 9.5.4 are vulnerable to full-read SSRF due to improper Host header validation in error page rendering, allowing attackers to redirect requests and access internal resources. id: CVE-2026-25545 info: name: Astro SSR - Server-Side Request Forgery author:...

ExponentCMS <= 2.6 - Host Header Injection

An HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponentconstants.php. A modified HTTP header can change links on the webpage to an arbitrary value,leading to a possible attack vector for MITM. id: CVE-2021-38751 info: name: ExponentCMS = 2.6 - Host Header Injection author:...

Plone Docker - Host Header Injection

Plone Docker Official Image 5.2.13 5221 is vulnerable to Host Header Injection due to improper validation of input by the HOST headers. This can lead to Cross-Site Scripting XSS attacks when the malicious Host header value is reflected in the response. id: CVE-2024-23055 info: name: Plone Docker ...

CVE-2026-15689

Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in defaultemailpasswordreset and defaultwelcomesend. Both default emails emit a link of the form $base/login/$code, whose authority comes from the request Host header,...

CVE-2026-15689 Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in _default_email_password_reset and _default_welcome_send

Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in defaultemailpasswordreset and defaultwelcomesend. Both default emails emit a link of the form $base/login/$code, whose authority comes from the request Host header,...

CVE-2026-15689

CVE-2026-15689 affects Dancer2::Plugin::Auth::Extensible base, allowing host-poisoning. A POST to /login with submit_reset and a username does not require authentication, storing a new reset code against the account and mailing a reset link to a host chosen by the sender. The welcome path uses a ...

EUVD-2026-59758

Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in defaultemailpasswordreset and defaultwelcomesend. Both default emails emit a link of the form $base/login/$code, whose authority comes from the request Host header,...

CVE-2026-15689

Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in defaultemailpasswordreset and defaultwelcomesend. Both default emails emit a link of the form $base/login/$code, whose authority comes from the request Host header,...

CVE-2025-71405

chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft...

EUVD-2025-210728

chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft...

CVE-2025-71405

The CVE-2025-71405 entry concerns the chi library prior to v5.2.2. The vulnerability lies in the RedirectSlashes middleware, which uses the Host header to build redirect URLs. An attacker can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing and credential theft. ...

CVE-2025-71405 go-chi chi before v5.2.2 Open Redirect via RedirectSlashes

chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft...

CVE-2025-71405 go-chi chi before v5.2.2 Open Redirect via RedirectSlashes

chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft...

CVE-2025-71405

chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft...

Ruby on Rails - Open Redirect via Host Header Injection

Ruby on Rails action pack before 6.1.2.1, 6.0.3.5 contains an open redirect caused by special crafted Host headers in combination with allowed host formats, letting attackers redirect users to malicious websites, exploit requires attacker to control Host headers. id: CVE-2021-22881 info: name: Ru...

next: Next.js: Server-Side Request Forgery via malicious host redirection in Server Actions

A flaw was found in Next.js, a framework for building web applications. A remote attacker can exploit this vulnerability by manipulating Host-associated headers when a Server Action forwards or redirects a request. This can lead to Server-Side Request Forgery SSRF, where the server is tricked int...

EUVD-2026-56240

Genkit does not properly validate host request headers. Any host on the developer's network, and any website the developer visits via DNS rebinding, can reach POST /api/runAction on the Dev UI server default port 4000 and execute any registered Genkit action and read the result. Fixed on 2026-06-...

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...

Duplicate Advisory: Nuxt dev server discloses project root and workspace UUID via the Chrome DevTools workspace endpoint

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-7c4v-fwgw-9rf7. This link is maintained to preserve external references. Original Description Nuxt versions = 4.4.7 and = 3.21.7 and 3.21.10, contain an information disclosure vulnerability in the development...