CVE-2026-55685

A flaw was found in React Router. An unauthenticated attacker can send targeted requests to the manifest endpoint, leading to a denial of service DoS. This can put a heavy load on the server, significantly slowing down response times and impacting the availability of the application. Mitigation...

CVE-2026-55685

React Router is a router for React. In versions 7.0.0 through 7.17.0, the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response times. This issue is a follow up to CVE-2026-42342, and does not does not impact React...

CVE-2026-55685

React Router CVE-2026-55685 affects versions 7.0.0–7.17.0, where the manifest endpoint could be accessed by unauthenticated targeted requests, causing heavy load and slower responses. The issue does not impact Declarative Mode or Data Mode applications and has been fixed in version 7.18.0. If exp...

CVE-2026-55685 React Router: Unauthenticated Denial of Service via Inefficient Route Matching

React Router is a router for React. In versions 7.0.0 through 7.17.0, the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response times. This issue is a follow up to CVE-2026-42342, and does not does not impact React...

EUVD-2026-49634

React Router is a router for React. In versions 7.0.0 through 7.17.0, the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response times. This issue is a follow up to CVE-2026-42342, and does not does not impact React...

CVE-2026-55685

React Router is a router for React. In versions 7.0.0 through 7.17.0, the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response times. This issue is a follow up to CVE-2026-42342, and does not does not impact React...

GHSA-CHX6-HX7R-MCP5 React Router: Unauthenticated Denial of Service via Inefficient Route Matching

This is a follow up to https://github.com/remix-run/react-router/security/advisories/GHSA-8x6r-g9mw-2r78 that covers additional reported scenarios in which the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through inefficient route matching in the manifest endpoint. An attacker can cause excessive server load and degrade response times by sending unauthenticated targeted requests. Note: This is only...

react-router: @remix-run/server-runtime: React Router / Remix: Denial of Service via unbounded path expansion in __manifest endpoint

A flaw was found in React Router and @remix-run/server-runtime. A remote attacker can exploit this vulnerability by sending certain crafted requests to the manifest endpoint. This can lead to unbounded path expansion, consuming disproportionate server resources. The primary consequence is a denia...

CVE-2026-15416 Argo-cd: argo cd unauthenticated remote code execution in repo-server via generatemanifest grpc endpoint

A flaw was identified in Argo CD, the GitOps engine used by Red Hat OpenShift GitOps, that could allow an unauthenticated attacker with network access to the Argo CD repo-server to achieve remote code execution. Under certain conditions, the attacker may then manipulate cached data to deploy...

CVE-2026-42342

A flaw was found in React Router and @remix-run/server-runtime. A remote attacker can exploit this vulnerability by sending certain crafted requests to the manifest endpoint. This can lead to unbounded path expansion, consuming disproportionate server resources. The primary consequence is a denia...

EUVD-2026-34000

React Router vulnerable to DoS via unbounded path expansion in manifest endpoint...

GHSA-8X6R-G9MW-2R78 React Router vulnerable to DoS via unbounded path expansion in __manifest endpoint

There exists a potential DOS attack vector in React Router Framework Mode applications as well as Remix v2.10.0 - 2.17.4. Certain requests can be crafted to consume disproportionate resources on the server, resulting in response time degredation and/or service unavailability for end users. !NOTE...

PT-2026-64404

Name of the Vulnerable Software and Affected Versions React Router versions 7.0.0 through 7.17.0 Description In Framework Mode applications, the manifest endpoint can be accessed through unauthenticated targeted requests. This can result in heavy server load and increased response times. This iss...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the manifest endpoint. An attacker can exhaust server resources and cause service disruption by sending specially crafted requests that trigger unbounded path expansion. Note:...

Allocation of Resources Without Limits or Throttling

Overview @remix-run/server-runtime is a Server runtime for Remix Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the manifest endpoint. An attacker can exhaust server resources and cause service disruption by sending specially craft...

CVE-2026-42342

CVE-2026-42342 affects React Router and Remix Server Runtime: versions 7.0.0–7.14.x of react-router and 2.10.0–2.17.4 of @remix-run/server-runtime are vulnerable to DoS via unbounded path expansion on the __manifest endpoint, causing high resource usage and potential unavailability for Framework ...

CVE-2026-42342 React Router vulnerable to DoS via unbounded path expansion in __manifest endpoint

React Router is a router for React. In versions 7.0.0 through 7.14.x of react-router and versions 2.10.0 through 2.17.4 of @remix-run/server-runtime, certain crafted requests can consume disproportionate server resources via unbounded path expansion in the manifest endpoint, resulting in response...

CVE-2026-42342

React Router is a router for React. In versions 7.0.0 through 7.14.x of react-router and versions 2.10.0 through 2.17.4 of @remix-run/server-runtime, certain crafted requests can consume disproportionate server resources via unbounded path expansion in the manifest endpoint, resulting in response...

CVE-2026-42342 React Router vulnerable to DoS via unbounded path expansion in __manifest endpoint

React Router is a router for React. In versions 7.0.0 through 7.14.x of react-router and versions 2.10.0 through 2.17.4 of @remix-run/server-runtime, certain crafted requests can consume disproportionate server resources via unbounded path expansion in the manifest endpoint, resulting in response...