CVE-2025-29927-Nextjs-Bypass-PoC

PoC: CVE-2025-29927 - Next.js Middleware Bypass This repository contains a Proof of Concept PoC demonstrating how to bypass middleware security checks in Next.js v13.5.6 by exploiting a vulnerability related to internal HTTP headers. Vulnerability Overview: CVE-2025-29927 What is it? CVE-2025-299...

CVE-2026-37432

CVE-2026-37432 Location: Apiutil.java: 107-113 Principle: Directly trusting the X-Forwarded-For request header, which can be forged to manipulate IP addresses. Exploitation method: X-Forwarded-For: 127.0.0.1...

auth-header-trust-rules

auth-header-trust-rules Un pequeño conjunto de reglas de Semgrep que señala código que toma decisiones de autenticación, autorización o confianza basadas en cabeceras de solicitudes HTTP que un atacante controla. El ejemplo canónico de esta clase de vulnerabilidad es CVE-2025-29927: Next.js...

Thank-u-Next

Thank u Next – CVE-2025-29927 Exploit Tool 🧠 What is CVE-2025-29927? It’s not just a bypass — it’s a revelation. A single header, misunderstood and mishandled by middleware logic, becomes a master key to what was meant to be locked. CVE-2025-29927 exploits a misconfigured middleware authorization...

CVE-2026-78560

The Okta Access Gateway includes an optional pass-through authentication source that accepts user identity from a client-supplied HTTP header without cryptographic validation. In architectures where this optional source is enabled without an upstream reverse proxy or firewall configured to saniti...

CVE-2026-8447 Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized Markdown rendering and untrusted proxy header trust

IBM Langflow OSS 1.0.0 through 1.11.2 suffer from a stored cross-site scripting vulnerability in the Playground chat interface...

CVE-2026-9186 Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized Markdown rendering and untrusted proxy header trust

IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass localhost-only MCP configuration installation by spoofing X-Forwarded-For: 127.0.0.1 header, enabling arbitrary writes to IDE config files /.cursor/mcp.json, etc...

eda-server: ExternalEventStreamViewSet trusts Subject header without validation and leaks expected DN

A flaw was found in the Event-Driven Ansible EDA server. The ExternalEventStreamViewSet uses permissive access controls permissionclasses=AllowAny, authenticationclasses= and relies solely on the Subject HTTP header value for mTLS authentication without verifying that the header originated from a...

SUSE CVE-2026-55430

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the workspace app proxy resolves the target app from httpapi.RequestHost which prefers the X-Forwarded-Host header over the real Host header. No middleware...

CVE-2026-12383

The CVE-2026-12383 entry describes a flaw in the Event-Driven Ansible (EDA) server where ExternalEventStreamViewSet uses permissive access controls (permission_classes=[AllowAny] , authentication_classes=[] ), relying solely on the Subject header for mTLS authentication and not validating that th...

CVE-2026-12383 Eda-server: externaleventstreamviewset trusts subject header without validation and leaks expected dn

A flaw was found in the Event-Driven Ansible EDA server. The ExternalEventStreamViewSet uses permissive access controls permissionclasses=AllowAny, authenticationclasses= and relies solely on the Subject HTTP header value for mTLS authentication without verifying that the header originated from a...

GHSA-46Q4-43PH-C6FR blaze: Chunked-body trailer fields promoted into Request.headers in blaze-server (front-end header-sanitization bypass)

Summary blaze-server can merge HTTP/1.1 chunked-body trailer fields into Request.headers. Because trailer fields are attacker-controlled, an unauthenticated remote client can inject arbitrary header names/values e.g. X-Forwarded-For, internal-auth headers that a fronting proxy sanitized from the...

K000161775: Apache Pulsar vulnerability CVE-2026-41732

Security Advisory Description JsonPulsarHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its subpackages. Additionally, an empty trusted-packages configuration fell back to trusting all packages rather tha...

CVE-2026-44437

The Angular SSR is a server-rise rendering tool for Angular applications. From 19.0.0-next.0 to before 19.2.25, 20.3.25, 21.2.9, and 22.0.0-next.7, a vulnerability exists in the X-Forwarded-Prefix header processing logic within Angular SSR. The internal validation mechanism fails to properly...

CVE-2026-33495

ORY Oathkeeper is an Identity & Access Proxy IAP and Access Control Decision API that authorizes HTTP requests based on sets of Access Rules. Ory Oathkeeper is often deployed behind other components like CDNs, WAFs, or reverse proxies. Depending on the setup, another component might forward the...

CVE-2026-33690

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the getRealIpAddr function in objects/functions.php trusts user-controlled HTTP headers to determine the client's IP address. An attacker can spoof their IP address by sending forged headers, bypassing any IP-base...

CVE-2026-33246 NATS: Leafnode connections allow spoofing of Nats-Request-Info identity headers

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The nats-server offers a Nats-Request-Info: message header, providing information about a request. This is supposed to provide enough information to allow for account/user identification, such that NAT...

HomeBox 安全漏洞

HomeBox is an open-source system developed by SysAdmins Media for home users. Versions of HomeBox prior to 0.24.0 contained security vulnerabilities. These vulnerabilities stemmed from the identity authentication rate limiter unconditionally reading and trusting headers like X-Real-IP, with...

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...