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...

CVE-2026-65638

Improper escaping of a request URL in ConfigServer Security & Firewall allows an unauthenticated remote attacker to execute arbitrary commands as the CSF service account via shell command injection. The vulnerability affects versions of the software originally distributed by ConfigServer, as well...

CVE-2026-65638

Improper escaping of a request URL in ConfigServer Security & Firewall allows an unauthenticated remote attacker to execute arbitrary commands as the CSF service account via shell command injection. The vulnerability affects versions of the software originally distributed by ConfigServer, as well...

CVE-2026-65638

ConfigServer Security & Firewall (CSF) is vulnerable to shell command injection due to improper escaping of a request URL. An unauthenticated remote attacker can exploit this to execute arbitrary commands as the CSF service account. The CVSS 4.0 score is 9.2 (Critical) with a network attack vecto...

PT-2026-89492

Improper escaping of a request URL in ConfigServer Security & Firewall allows an unauthenticated remote attacker to execute arbitrary commands as the CSF service account via shell command injection. The vulnerability affects versions of the software originally distributed by ConfigServer, as well...

keycloak-policy-enforcer: Keycloak Policy Enforcer: Authorization bypass via incorrect URI comparison

A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access UMA permission checks. By including the configured access-denied page path within a request URL, either as a path...

PT-2026-65079

Name of the Vulnerable Software and Affected Versions Plack::App::Prerender versions prior to 0.3.0 Description An issue exists where the software can proxy requests to an arbitrary host due to unvalidated concatenation of the REQUEST URI in the call function. When the rewrite base is a plain...

CVE-2026-54282

A flaw was found in Starlette, a lightweight Asynchronous Server Gateway Interface ASGI framework. Prior to version 1.3.0, the HTTP request path was not properly validated when reconstructing the request.url. A remote attacker could craft a malicious HTTP request path that does not begin with a...

EUVD-2026-39471

A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access UMA permission checks. By including the configured access-denied page path within a request URL, either as a path...

CVE-2026-9800

CVE-2026-9800 affects Keycloak Policy Enforcer. The issue allows any authenticated user to bypass authorization checks (roles, scopes, UMA) by leveraging the configured access-denied page path in the request URL, either as a path segment or a query parameter. Root cause described in records as an...

PYSEC-2026-248

Starlette is a lightweight ASGI framework/toolkit. Prior to 1.3.0, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example...

PYSEC-2026-248

Starlette is a lightweight ASGI framework/toolkit. Prior to 1.3.0, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example...

CVE-2026-54282

Starlette is a lightweight ASGI framework/toolkit. Prior to 1.3.0, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example...

CVE-2026-54282

Starlette is a lightweight ASGI framework/toolkit. Prior to 1.3.0, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example...

CVE-2026-54282

Starlette is a lightweight ASGI framework/toolkit. Prior to 1.3.0, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example...

CVE-2026-54282 Starlette: Unvalidated request path concatenated into authority poisons request.url.hostname

Starlette is a lightweight ASGI framework/toolkit. Prior to 1.3.0, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example...

Linux Distros Unpatched Vulnerability : CVE-2026-54282

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Starlette is a lightweight ASGI framework/toolkit. Prior to 1.3.0, the HTTP request path is not validated before being used to reconstruct request.url. Because...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the buildRequestUrl function. An attacker can access or modify unintended API endpoints by supplying crafted path variables containing special characters, which are inserted into the request URL...

GHSA-JP82-JPQV-5VV3 Starlette: Unvalidated request path concatenated into authority poisons request.url.hostname

Summary In affected versions, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example @google.com moves the authority boundary...

Starlette: Unvalidated request path concatenated into authority poisons request.url.hostname

Summary In affected versions, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example @google.com moves the authority boundary...