CyberSecBulletin

Origin Validation Error

CWE-346

The product does not properly verify that the source of data or communication is valid.

We track 291 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.4. 3 have been exploited in real attacks.

Latest Origin Validation Error vulnerabilities

  • 7.5 High severity

    Eclipse Vert.x: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2026-15075Eclipse Foundation

    In Eclipse Vert.x versions up to and including 4.5.29 (4.x branch) and 5.1.4 (5.x branch), DefaultRedirectHandler (vertx-core) propagates all request headers as-is across cross-origin HTTP 30x redirects. Only Content-Length is stripped; no origin comparison (s

  • 8.8 High severity

    cline: Origin Validation Error

    CVE-2026-59723Cline

    Cline is an autonomous coding agent as an SDK, IDE extension, or CLI assistant. Prior to 3.0.30, the Cline Hub dashboard server launched by the cline dashboard command accepts WebSocket connections on the /browser endpoint without validating the Origin header,

  • 9.2 Critical severity

    FOSSBilling: Missing Authentication for Critical Functionality

    CVE-2026-42341FOSSBilling

    FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have an unauthenticated payment bypass vulnerability in FOSSBilling's IPN callback endpoint. When the Custom payment adapter is enabled, an attacker can mark

  • 7.5 High severity

    dapr: Origin Validation Error

    CVE-2026-59096Dapr

    Dapr Sentry's OIDC discovery endpoint derives the issuer and jwks_uri of the /.well-known/openid-configuration document from the request Host, honoring an attacker-controlled X-Forwarded-Host header without validation when no allowed-hosts list is configured (

  • 7.6 High severity

    tinacms: Improper Neutralization of Input During Web Page Generation

    CVE-2026-55660Tinacms

    Tina is a headless content management system. In versions prior to @tinacms/app 2.5.6 and tinacms 3.9.3, cross-origin postMessage handlers and a rich-text URL-sanitization bypass enable stored XSS and session takeover. The library registers window message list

  • 7.5 High severity

    Vibe-Trading: Origin Validation Error

    CVE-2026-58169HKUDS

    Vibe-Trading before 0.1.10 contains a DNS rebinding authentication bypass vulnerability that allows remote attackers to bypass bearer-token authentication by exploiting the server's trust of TCP peer addresses for loopback clients combined with missing Host he

  • 8.8 High severity

    pnpm: Origin Validation Error

    CVE-2026-55487Pnpm

    pnpm is a package manager. Prior to 10.34.2 and 11.5.3, the generic peer-suffix normalizer also stripped parenthesized text from git, URL, tarball, file, and other opaque locators. Approval for one source string could therefore authorize a different attacker-c

  • 9.3 Critical severity

    LibreChat: Origin Validation Error

    CVE-2026-54030Danny-avila

    LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.5, LibreChat's MCP OAuth implementation does not validate that the resource parameter from OAuth Protected Resource metadata (RFC 9728) matches the configured MCP server U

  • 9.2 Critical severity

    siyuan: Origin Validation Error

    CVE-2026-54069Siyuan-noteEPSS 7.47%

    SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan Note's kernel HTTP server unconditionally trusts all chrome-extension:// origins, granting RoleAdministrator access to every installed browser extension without any authentic

  • 8.2 High severity

    angular: Origin Validation Error

    CVE-2026-50168Angular

    Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 22.0.0-rc.2, 21.2.15, 20.3.22, and 19.2.23, an issue in the @angular/platform-server package allows remote attackers to

  • 8.8 High severity

    undici: Origin Validation Error

    CVE-2026-6734Undici

    Impact: When using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying that the pool's origin matches the requested origin. All requests are dispatched through the pool connected to the first origin, regardless o

  • 9.1 Critical severity

    Firefox: Origin Validation Error

    CVE-2026-12304Mozilla

    Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

  • 8.6 High severity

    Spring Cloud Gateway: Origin Validation Error

    CVE-2026-47825Spring

    Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies in certain configuration scenarios. This affects both the WebMVC and WebFlux Gateway Servers. Affected versions: Spring Cloud Gateway 3.1.x (fix 3.1.13). Spri

  • 9.4 Critical severity

    MCP Toolbox for Databases: Origin Validation Error

    CVE-2026-11624Google

    The Model Context Protocol has a security warning advising servers to validate the "Origin" header on all incoming connections to prevent DNS rebinding attacks. Prior to the v0.25.0 release, users had no way to validate the origin's host. In v0.25.0, a new "--

  • 10.0 Critical severity

    netty: Insufficient Verification of Data Authenticity

    CVE-2026-47691Netty

    Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's `DnsResolveContext` insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attac

  • 10.0 Critical severity

    netty: Insufficient Verification of Data Authenticity

    CVE-2026-45674Netty

    Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses. Versions 4.1.135.F

  • 7.5 High severity

    netty: Improper Verification of Source of a Communication Channel

    CVE-2026-44894Netty

    Netty is a network application framework for development of protocol servers and clients. NoQuicTokenHandler is the tokenHandler used when the application does not set one. Prior to version 4.2.15.Final, its writeToken() returns false (server will not send Ret

  • 8.1 High severity

    Spring for GraphQL: Origin Validation Error

    CVE-2026-41700Spring

    Spring for GraphQL applications that have enabled the WebSocket transport are vulnerable to Cross-Site WebSocket Hijacking. An attacker can trick an authenticated user into visiting a malicious page, allowing the attacker to execute arbitrary GraphQL operation

  • 7.6 High severity

    xibo-cms: Improper Neutralization of Input During Web Page Generation

    CVE-2026-42558Xibosignage

    Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.2, a vulnerability chain consisting of Stored XSS and Iframe Sandbox escape in the Xibo CMS allows users with DataSet permiss

  • 7.5 High severity

    ldns: Origin Validation Error

    CVE-2026-10846NLnet Labs

    NLnet Labs ldns 1.2.0 up to and including versions 1.9.0, when used in applications as (stub) resolver over UDP, lacks matching the query destination address and port with the response source address and port. Furthermore not the query ID, neither the question

  • 8.1 High severity

    Chrome: Origin Validation Error

    CVE-2026-11693Google

    Inappropriate implementation in Plugins in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

  • 7.2 High severity

    gun: Origin Validation Error

    CVE-2026-43972Ninenines

    Origin Validation Error vulnerability in ninenines gun (gun_http2 module) allows cross-origin cookie injection via unvalidated HTTP/2 PUSH_PROMISE authority. In gun_http2:push_promise_frame/7, the :authority pseudo-header from an incoming PUSH_PROMISE frame is

  • 8.8 High severity

    jupyter/jupyter: Origin Validation Error

    CVE-2026-6657JupyterEPSS 5.21%

    A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation when the `allow_origin_pat` configuration is used. The issue arises from the use of `re.match()` for validating the `Origin` header, which only

  • 7.5 High severity

    aiohttp: Origin Validation Error

    CVE-2026-47265Aio-libs

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the `cookies` parameter on requests are sent after following a cross-origin redirect. If a developer uses the `cookies` parameter on a per

  • 9.8 Critical severity

    SillyTavern: Authentication Bypass by Spoofing

    CVE-2026-44649SillyTavern

    SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to 1.18.0, SillyTavern accepts Remote-User (Authelia) and X-Authentik-U

  • 8.3 High severity

    core: Improper Control of Generation of Code

    CVE-2026-44698Home-assistant

    Home Assistant is open source home automation software that puts local control and privacy first. Prior to 2026.4.1 for iOS and 2026.4.4 for Android, he Home Assistant Companion apps for Android and iOS expose a JavaScript bridge to the in-app WebView window.e

  • 9.6 Critical severity

    dozzle: Origin Validation Error

    CVE-2026-44985Amir20

    Dozzle is a realtime log viewer for docker containers. Prior to 10.5.2, he WebSocket upgrader for the /exec and /attach endpoints uses CheckOrigin: func(r *http.Request) bool { return true }, accepting upgrade requests from any origin. Combined with the JWT co

  • 7.8 High severity

    TrendAI Apex One: Origin Validation Error

    CVE-2026-45207Trend Micro

    An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-45206 but exists in a different process protection communication mechanism. Please note: an

  • 7.8 High severity

    TrendAI Apex One: Origin Validation Error

    CVE-2026-45206Trend Micro

    An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-45207 but exists in a different process protection communication mechanism. Please note: an

  • 7.8 High severity

    TrendAI Apex One: Origin Validation Error

    CVE-2026-34930Trend Micro

    An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-34927 but exists in a different process protection mechanism. Please note: an attacker must

  • 7.8 High severity

    TrendAI Apex One: Origin Validation Error

    CVE-2026-34929Trend Micro

    An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-34927 but exists in a different inter-process communication mechanism. Please note: an attac

  • 7.8 High severity

    TrendAI Apex One: Origin Validation Error

    CVE-2026-34928Trend Micro

    An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. This is similar to CVE-2026-34927 but exists in a different named pipe communication mechanism. Please note: an attacker

  • 7.8 High severity

    TrendAI Apex One: Origin Validation Error

    CVE-2026-34927Trend Micro

    An origin validation vulnerability in the Apex One/SEP agent could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to e

  • 7.8 High severity

    TrendAI Apex One (Mac): Origin Validation Error

    CVE-2025-71217Trend Micro

    An origin validation error vulnerability in the Trend Micro Apex One (mac) agent self-protection mechanism could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-priv

  • 7.8 High severity

    TrendAI Apex One (Mac): Origin Validation Error

    CVE-2025-71214Trend Micro

    An origin validation error vulnerability in the Trend Micro Apex One (mac) agent iCore service could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code

  • 7.8 High severity

    TrendAI Apex One: Origin Validation Error

    CVE-2025-71213Trend Micro

    An origin validation error vulnerability in Trend Micro Apex One could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order

  • 7.5 High severity

    Unbound: Origin Validation Error

    CVE-2026-40622NLnet Labs

    NLnet Labs Unbound 1.16.2 up to and including version 1.25.0 has a vulnerability of the 'ghost domain names' family of attacks that could extend the ghost domain window by up to one cached TTL configured value. Similar to other 'ghost domain names' attacks, an

  • 9.3 Critical severity

    Firefox: Origin Validation Error

    CVE-2026-8950Mozilla

    Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

  • 9.6 Critical severity

    mlflow/mlflow: Origin Validation Error

    CVE-2026-2611Mlflow

    In MLflow version 3.9.0, the MLflow Assistant feature introduced improper origin validation in its /ajax-api endpoints. This vulnerability allows a remote attacker to exploit cross-origin requests from a malicious webpage to interact with the MLflow Assistant

  • 8.8 High severity

    rust-sdk: Origin Validation Error

    CVE-2026-42559Modelcontextprotocol

    RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport (crates/rmcp/src/transport/streamable_http_server/) did not validate the incoming Host header. This allowed a malicious publi