Improper Handling of Case Sensitivity

Overview Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity via the handling of HTTP headers in authentication middlewares. An attacker can impersonate users or escalate privileges by injecting underscore-variant headers that bypass canonical header strippin...

CVE-2026-54764

Traefik is an HTTP reverse proxy and load balancer. Prior to v2.11.51, v3.6.22, and v3.7.6, Traefik's ForwardAuth middleware, even when configured with trustForwardHeader: false, derives the X-Forwarded-Port header sent to the authentication service from the original incoming request instead of t...

GoFiber never set HSTS header in helmet middleware due to incorrect protocol check

Summary The helmet middleware in gofiber/fiber never sets the Strict-Transport-Security HSTS response header, even when HSTSMaxAge is explicitly configured, because the condition check at helmet.go:67 uses c.Protocol — which returns the HTTP protocol version string e.g., "HTTP/1.1", "HTTP/2.0" —...

GHSA-GV83-GQW6-9J2C GoFiber never set HSTS header in helmet middleware due to incorrect protocol check

Summary The helmet middleware in gofiber/fiber never sets the Strict-Transport-Security HSTS response header, even when HSTSMaxAge is explicitly configured, because the condition check at helmet.go:67 uses c.Protocol — which returns the HTTP protocol version string e.g., "HTTP/1.1", "HTTP/2.0" —...

Cleartext Transmission of Sensitive Information

Overview Affected versions of this package are vulnerable to Cleartext Transmission of Sensitive Information due to the incorrect protocol check in the helmet middleware, which fails to set the Strict-Transport-Security header even when configured. An attacker can intercept and manipulate network...

Cleartext Transmission of Sensitive Information

Overview Affected versions of this package are vulnerable to Cleartext Transmission of Sensitive Information due to the incorrect protocol check in the helmet middleware, which fails to set the Strict-Transport-Security header even when configured. An attacker can intercept and manipulate network...

CVE-2026-59152

LangSmith Client SDKs provide SDK's for interacting with the LangSmith platform. Prior to 0.8.18, an attacker who can send an HTTP request to a server running the LangSmith SDK's TracingMiddleware can cause that server to read an arbitrary file from its local filesystem and upload the contents to...

PYSEC-2026-1065 Pallets Werkzeug vulnerable to Path Traversal

In Pallets Werkzeug before 0.15.5, SharedDataMiddleware mishandles drive names such as C: in Windows pathnames...

PYSEC-2026-911 OpenStack Nova uses insecure keystone middleware tmpdir by default

keystone/middleware/authtoken.py in OpenStack Nova Folsom, Grizzly, and Havana uses an insecure temporary directory for storing signing certificates, which allows local users to spoof servers by pre-creating this directory, which is reused by Nova, as demonstrated using /tmp/keystone-signing-nova...

PT-2026-56054

Name of the Vulnerable Software and Affected Versions Fiber versions prior to 3.4.0 Description The helmet middleware in the Fiber web framework fails to set the Strict-Transport-Security HSTS response header, even when HSTSMaxAge is configured. This occurs because the logic in...

9routers has Exposure of Sensitive Information and Unprotected Database Import/Export, Allowing Complete Credential Theft and Database Takeover

The /api/settings/database endpoint allows full database export containing all credentials, API keys, OAuth tokens, and settings and full database import complete overwrite without any authentication requirement beyond the ALWAYSPROTECTED middleware check, which only validates JWT or CLI token...

CVE-2026-12740

Plack::Middleware::OAuth versions through 0.10 for Perl do not support the OAuth 2.0 state parameter. RequestTokenV2 builds the provider authorization redirect without issuing a state value, and AccessTokenV2 exchanges the callback code and registers the resulting token into the session...

CVE-2026-12740 Plack::Middleware::OAuth versions through 0.10 for Perl do not support the OAuth 2.0 state parameter

Plack::Middleware::OAuth versions through 0.10 for Perl do not support the OAuth 2.0 state parameter. RequestTokenV2 builds the provider authorization redirect without issuing a state value, and AccessTokenV2 exchanges the callback code and registers the resulting token into the session...

CVE-2026-12740

Plack::Middleware::OAuth versions through 0.10 for Perl do not support the OAuth 2.0 state parameter. RequestTokenV2 builds the provider authorization redirect without issuing a state value, and AccessTokenV2 exchanges the callback code and registers the resulting token into the session...

CVE-2026-12740

Summary: CVE-2026-12740 affects Plack::Middleware::OAuth for Perl up to version 0.10. The core issue is lack of OAuth 2.0 state parameter handling, enabling login CSRF. Specifically, RequestTokenV2 builds the authorization redirect without a state value, and AccessTokenV2 exchanges the callback c...

PT-2026-55718

Name of the Vulnerable Software and Affected Versions Plack::Middleware::OAuth versions prior to 0.11 Description Plack::Middleware::OAuth for Perl fails to support the OAuth 2.0 state parameter. The RequestTokenV2 function builds the provider authorization redirect without issuing a state value,...

PYSEC-2026-629 Django Improper Access Control

The LazyUser class in the AuthenticationMiddleware for Django 0.95 does not properly cache the user name across requests, which allows remote authenticated users to gain the privileges of a different user...

PYSEC-2026-751 Temporary urls leaked via logging

In OpenStack Swift prior to 2.15.2, the proxy-server logs full tempurl paths, potentially leaking reusable tempurl signatures to anyone with read access to these logs. All Swift deployments using the tempurl middleware are affected...

next.js: Next.js: Information disclosure via security fix bypass in middleware with Turbopack

A flaw was found in Next.js. A remote unauthenticated attacker could exploit a bypass in a security fix when using middleware.ts with Turbopack. This vulnerability could lead to the disclosure of sensitive information...

next.js: Next.js: Unauthorized access to protected content via middleware bypass

A flaw was found in Next.js. App Router applications that use middleware or proxy-based authorization checks are vulnerable to unauthorized access. A remote attacker can exploit this by crafting specific .rsc and segment-prefetch URLs, which bypass the intended middleware rules. This allows acces...