Litestar: AllowedHostsMiddleware bypasses host validation via client-controlled X-Forwarded-Host header

Summary AllowedHostsMiddleware trusts the X-Forwarded-Host header as a fallback when the Host header is absent. Since X-Forwarded-Host is a client-controllable header, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a...

GHSA-3QMC-CJ7Q-62HV Litestar: AllowedHostsMiddleware bypasses host validation via client-controlled X-Forwarded-Host header

Summary AllowedHostsMiddleware trusts the X-Forwarded-Host header as a fallback when the Host header is absent. Since X-Forwarded-Host is a client-controllable header, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a...

PT-2026-48543

Summary AllowedHostsMiddleware trusts the X-Forwarded-Host header as a fallback when the Host header is absent. Since X-Forwarded-Host is a client-controllable header, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a...

CVE-2026-29199

phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning. When forceservervars is disabled, the servers hostname may be extracted from the HTTP Host header which is used to generate the password reset link URL. An attacker who can manipulate the Hos...

CVE-2026-40905

LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, a password reset poisoning vulnerability was identified in the application due to improper trust of user-controlled HTTP headers. The application uses the X-Forwarded-Host header when generating password reset URLs. By...

CVE-2026-42606

CVE-2026-42606 (AzuraCast) : The vulnerability arises from the ApplyXForwarded middleware unconditionally trusting the client-supplied X-Forwarded-Host header with no trusted-proxy allowlist, allowing an unauthenticated attacker to poison the password-reset URL during forgot-password flow. The at...

AzuraCast has Password Reset Poisoning via Untrusted X-Forwarded-Host Header that Leads to Account Takeover and 2FA Bypass

Summary The ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header with no trusted proxy allowlist. An unauthenticated attacker can poison the password reset URL sent to any user by injecting this header when triggering the forgot-password flow. When th...

GHSA-GV7R-3MR9-H5X8 AzuraCast has Password Reset Poisoning via Untrusted X-Forwarded-Host Header that Leads to Account Takeover and 2FA Bypass

Summary The ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header with no trusted proxy allowlist. An unauthenticated attacker can poison the password reset URL sent to any user by injecting this header when triggering the forgot-password flow. When th...

CVE-2026-40905

CVE-2026-40905 (LinkAce) relates to a password reset poisoning vulnerability in LinkAce prior to 2.5.4 caused by trusting the user-controlled X-Forwarded-Host header when generating password reset URLs. An attacker can manipulate this header during a reset request to inject a malicious domain int...

CVE-2026-40905 LinkAce: Password Reset Poisoning via X-Forwarded-Host Header Injection Leading to Account Takeover

LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, a password reset poisoning vulnerability was identified in the application due to improper trust of user-controlled HTTP headers. The application uses the X-Forwarded-Host header when generating password reset URLs. By...

PT-2026-34172

LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, a password reset poisoning vulnerability was identified in the application due to improper trust of user-controlled HTTP headers. The application uses the X-Forwarded-Host header when generating password reset URLs. By...

IRRd: web UI host header injection allows password reset poisoning via attacker-controlled email links

Impact An attacker can manipulate the HTTP Host header on a password reset or account creation request. The confirmation link in the resulting email can then point to an attacker-controlled domain. Opening the link in the email is sufficient to pass the token to the attacker, who can then use it ...

CVE-2026-27812

Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions. A vulnerability in versions prior to 0.1.85 is a Password Reset Poisoning Host Header / Forwarded Header trust issue, which allows attackers to manipulate the password reset link...

CVE-2026-27812

Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions. A vulnerability in versions prior to 0.1.85 is a Password Reset Poisoning Host Header / Forwarded Header trust issue, which allows attackers to manipulate the password reset link...

EUVD-2026-8782

Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions. A vulnerability in versions prior to 0.1.85 is a Password Reset Poisoning Host Header / Forwarded Header trust issue, which allows attackers to manipulate the password reset link...

CVE-2026-27812 Sub2API Vulnerable to Password Reset Poisoning via Host Header Trust Issue, Leading to Account Takeover

Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions. A vulnerability in versions prior to 0.1.85 is a Password Reset Poisoning Host Header / Forwarded Header trust issue, which allows attackers to manipulate the password reset link...

CVE-2026-27812 Sub2API Vulnerable to Password Reset Poisoning via Host Header Trust Issue, Leading to Account Takeover

Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions. A vulnerability in versions prior to 0.1.85 is a Password Reset Poisoning Host Header / Forwarded Header trust issue, which allows attackers to manipulate the password reset link...

CVE-2026-27812

Sub2API (AI API gateway) contains a Password Reset Poisoning flaw in versions before 0.1.85, caused by a Host/Forwarded Header trust issue that lets an attacker inject their own domain into the password reset link and potentially take over an account. The issue is addressed in v0.1.85. If upgradi...

CVE-2026-27812

Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions. A vulnerability in versions prior to 0.1.85 is a Password Reset Poisoning Host Header / Forwarded Header trust issue, which allows attackers to manipulate the password reset link...

CVE-2025-61136

A Host Header Injection vulnerability in the password reset component in axewater sharewarez v2.4.3 allows remote attackers to conduct password reset poisoning and account takeover via manipulation of the Host header when Flask's urlforexternal=True generates reset links without a fixed SERVERNAM...