CVE-2026-73423

A flaw was found in Astro. The composable astro/hono pipeline can bypass origin checks, which are designed to prevent unauthorized cross-site requests. This occurs because the security.checkOrigin mechanism is not consistently applied when middleware is absent or misordered in the pipeline. A...

CVE-2026-73423

Astro (web framework) vulnerability CVE-2026-73423 affects the composable astro/hono pipeline from versions 7.0.0–7.0.6. If actions() or pages() are mounted before middleware(), or if middleware() is omitted, security.checkOrigin is not enforced at dispatch sinks, allowing blind write‑only CSRF a...

CVE-2026-73423 Astro: composable `astro/hono` pipeline bypasses `security.checkOrigin` when `middleware()` is absent or misordered

Astro is a web framework for content-driven websites. From 7.0.0 until 7.0.6, the composable astro/hono pipeline installs security.checkOrigin only through the middleware primitive, while actions and pages can dispatch to user code independently. Mounting actions before middleware, as in the...