CVE-2026-47725 nebula-mesh: Web UI lacks CSRF tokens on /ui/* mutating endpoints

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.3, every /ui/ POST / PUT / PATCH / DELETE route processes the request as soon as the session cookie validates. SameSite=Lax on the session cookie prevents most cross-site form submits bu...

Cross-site Request Forgery (CSRF)

Overview Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF through the lack of CSRF protection on /ui/ mutating endpoints. An attacker can perform unauthorized actions on behalf of an authenticated user by tricking them into submitting crafted requests, such as...

nebula-mesh's web UI lacks CSRF tokens on /ui/* mutating endpoints

Every /ui/ POST / PUT / PATCH / DELETE route processes the request as soon as the session cookie validates. SameSite=Lax on the session cookie prevents most cross-site form submits but does not protect: - top-level form-submit navigations from third-party pages some browsers still send Lax cookie...