CVE-2026-25479

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, in litestar.middleware.allowedhosts, allowlist entries are compiled into regex patterns in a way that allows regex metacharacters to retain special meaning e.g., . matches any character. This enables a bypass...

CVE-2026-25479

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, in litestar.middleware.allowedhosts, allowlist entries are compiled into regex patterns in a way that allows regex metacharacters to retain special meaning e.g., . matches any character. This enables a bypass...

Incorrect Regular Expression

Overview litestar is a Litestar - A production-ready, highly performant, extensible ASGI API Framework Affected versions of this package are vulnerable to Incorrect Regular Expression via the allowedhosts host validation. An attacker can gain unauthorized access by supplying a specially crafted...

CVE-2026-25479 Litestar has an AllowedHosts validation bypass due to unescaped regex metacharacters in configured host patterns

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, in litestar.middleware.allowedhosts, allowlist entries are compiled into regex patterns in a way that allows regex metacharacters to retain special meaning e.g., . matches any character. This enables a bypass...

CVE-2026-25479

Litestar is an ASGI framework. Prior to 2.20.0, litestar.middleware.allowed_hosts compiles allowlist entries into regex patterns in a way that lets regex metacharacters retain special meaning (e.g., . matches any character). This can enable a bypass where a host that matches the regex is not the ...

CVE-2026-25479

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, in litestar.middleware.allowedhosts, allowlist entries are compiled into regex patterns in a way that allows regex metacharacters to retain special meaning e.g., . matches any character. This enables a bypass...

CVE-2026-25479 Litestar has an AllowedHosts validation bypass due to unescaped regex metacharacters in configured host patterns

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, in litestar.middleware.allowedhosts, allowlist entries are compiled into regex patterns in a way that allows regex metacharacters to retain special meaning e.g., . matches any character. This enables a bypass...

GHSA-93PH-P7V4-HWH4 Litestar's AllowedHosts has a validation bypass due to unescaped regex metacharacters in configured host patterns

Summary AllowedHosts host validation can be bypassed because configured host patterns are turned into regular expressions without escaping regex metacharacters notably .. A configured allowlist entry like example.com can match exampleXcom Details In litestar.middleware.allowedhosts, allowlist...

Litestar's AllowedHosts has a validation bypass due to unescaped regex metacharacters in configured host patterns

Summary AllowedHosts host validation can be bypassed because configured host patterns are turned into regular expressions without escaping regex metacharacters notably .. A configured allowlist entry like example.com can match exampleXcom Details In litestar.middleware.allowedhosts, allowlist...

PT-2026-7136

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, in litestar.middleware.allowed hosts, allowlist entries are compiled into regex patterns in a way that allows regex metacharacters to retain special meaning e.g., . matches any character. This enables a bypass...

CVE-2026-24048 Backstage has a Possible SSRF when reading from allowed URL's in `backend.reading.allow`

Backstage is an open framework for building developer portals, and @backstage/backend-defaults provides the default implementations and setup for a standard Backstage backend app. Prior to versions 0.12.2, 0.13.2, 0.14.1, and 0.15.0, the FetchUrlReader component, used by the catalog and other...

CVE-2026-24048

CVE-2026-24048 affects Backstage FetchUrlReader in @backstage/backend-defaults prior to v0.12.2, v0.13.2, v0.14.1, and v0.15.0. The component would follow HTTP redirects, enabling an attacker who controls a host in backend.reading.allow to redirect requests to internal/sensitive URLs outside the ...

Backstage has a Possible SSRF when reading from allowed URL's in `backend.reading.allow`

Impact The FetchUrlReader component, used by the catalog and other plugins to fetch content from URLs, followed HTTP redirects automatically. This allowed an attacker who controls a host listed in backend.reading.allow to redirect requests to internal or sensitive URLs that are not on the...

CVE-2026-0734

The WP Allowed Hosts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allowed-hosts' parameter in all versions up to, and including, 1.0.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

CVE-2026-0734

The WP Allowed Hosts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allowed-hosts' parameter in all versions up to, and including, 1.0.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

CVE-2026-0734 WP Allowed Hosts <= 1.0.8 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'allowed-hosts' Parameter

The WP Allowed Hosts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allowed-hosts' parameter in all versions up to, and including, 1.0.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

EUVD-2026-2524

The WP Allowed Hosts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allowed-hosts' parameter in all versions up to, and including, 1.0.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

CVE-2026-0734 WP Allowed Hosts <= 1.0.8 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'allowed-hosts' Parameter

The WP Allowed Hosts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allowed-hosts' parameter in all versions up to, and including, 1.0.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

WordPress plugin WP Allowed Hosts 跨站脚本漏洞

WordPress and WordPress plugin are both products of the WordPress Foundation.WordPress is a blogging platform developed using the PHP language. The platform has the ability to host personal blog sites on PHP and MySQL based servers.WordPress plugin is an application plugin. A cross-site scripting...

CVE-2026-0734: Improper Neutralization of Input During Web Page Generation

The WP Allowed Hosts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allowed-hosts' parameter in all versions up to, and including, 1.0.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...