CVE-2025-55009

CVE-2025-55009 affects the AuthKit Remix package @workos-inc/authkit-remix. Versions ≤ 0.14.1 expose sensitive artifacts (sealedSession and accessToken) via the authkitLoader, causing them to be rendered into browser HTML. This creates information exposure and potential session/API access risk, a...

GHSA-4Q56-CRQP-V477 Remix and React Router allow URL manipulation via Host / X-Forwarded-Host headers

Impact We received a report about a vulnerability in Remix/React Router that affects all Remix 2 and React Router 7 consumers using the Express adapter. Basically, this vulnerability allows anyone to spoof the URL used in an incoming Request by putting a URL pathname in the port section of a URL...

CVE-2025-31137 Remix and React Router allow URL manipulation via Host / X-Forwarded-Host headers

React Router is a multi-strategy router for React bridging the gap from React 18 to React 19. There is a vulnerability in Remix/React Router that affects all Remix 2 and React Router 7 consumers using the Express adapter. Basically, this vulnerability allows anyone to spoof the URL used in an...