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:...

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 ...

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:...

CVE-2026-6790

A flaw was found in Eclipse Jetty. The server does not strictly validate that the request authority host and port matches the Host header provided in HTTP/1, HTTP/2, and HTTP/3 requests. This improper validation can lead to various issues, including incorrect handling of URI constructions for...

CVE-2026-0516

A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipulate the Host header and redirect firewall management users to arbitrary web domains...

EUVD-2026-53334

A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipulate the Host header and redirect firewall management users to arbitrary web domains...

CVE-2026-0516

SonicOS is affected by CVE-2026-0516, described as an improper neutralization of HTTP Headers for Scripting Syntax vulnerability. A remote attacker could manipulate the Host header to redirect firewall management users to arbitrary web domains. The vulnerability targets SonicOS and is supported b...

CVE-2026-0516

A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipulate the Host header and redirect firewall management users to arbitrary web domains...

Linux Distros Unpatched Vulnerability : CVE-2026-69246

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Guzzle is an extensible PHP HTTP client. Prior to 7.15.2 and 8.0.1, Guzzle gives a transport the request URI as text and supplies the Host header separately. Th...

CVE-2026-69246

Guzzle is an extensible PHP HTTP client. Prior to 7.15.2 and 8.0.1, Guzzle gives a transport the request URI as text and supplies the Host header separately. The cURL handlers set CURLOPTURL to the URI exactly as written and push that Host into CURLOPTHTTPHEADER; StreamHandler does the same throu...

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...

UBUNTU-CVE-2026-69246

Guzzle is an extensible PHP HTTP client. Prior to 7.15.2 and 8.0.1, Guzzle gives a transport the request URI as text and supplies the Host header separately. The cURL handlers set CURLOPTURL to the URI exactly as written and push that Host into CURLOPTHTTPHEADER; StreamHandler does the same throu...

Guzzle: Noncanonical host can bypass host-based checks

Impact In affected versions, Guzzle gives a transport the request URI as text and supplies the Host header separately. The cURL handlers set CURLOPTURL to the URI exactly as written and push that Host into CURLOPTHTTPHEADER; StreamHandler does the same through fopen. libcurl then parses the...

GHSA-V5MV-P594-2X33 Guzzle: Noncanonical host can bypass host-based checks

Impact In affected versions, Guzzle gives a transport the request URI as text and supplies the Host header separately. The cURL handlers set CURLOPTURL to the URI exactly as written and push that Host into CURLOPTHTTPHEADER; StreamHandler does the same through fopen. libcurl then parses the...

CVE-2026-69246 Guzzle: Noncanonical host can bypass host-based checks

Guzzle is an extensible PHP HTTP client. Prior to 7.15.2 and 8.0.1, Guzzle gives a transport the request URI as text and supplies the Host header separately. The cURL handlers set CURLOPTURL to the URI exactly as written and push that Host into CURLOPTHTTPHEADER; StreamHandler does the same throu...

CVE-2026-69246 Guzzle: Noncanonical host can bypass host-based checks

Guzzle is an extensible PHP HTTP client. Prior to 7.15.2 and 8.0.1, Guzzle gives a transport the request URI as text and supplies the Host header separately. The cURL handlers set CURLOPTURL to the URI exactly as written and push that Host into CURLOPTHTTPHEADER; StreamHandler does the same throu...

CVE-2026-69246

Guzzle is an extensible PHP HTTP client. Prior to 7.15.2 and 8.0.1, Guzzle gives a transport the request URI as text and supplies the Host header separately. The cURL handlers set CURLOPTURL to the URI exactly as written and push that Host into CURLOPTHTTPHEADER; StreamHandler does the same throu...

CVE-2026-48061 Litestar: AllowedHostsMiddleware bypasses host validation via client-controlled X-Forwarded-Host header

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...

CVE-2026-48061

Litestar prior to v2.22.0 is affected by CVE-2026-48061: AllowedHostsMiddleware may bypass host validation by using X-Forwarded-Host when Host is absent, enabling host-header injection (e.g., password reset links, cache keys, routing decisions). The issue occurs when no reverse proxy strips X-For...