{"items":[{"id":"NVI-00016402","kind":"vulnerability","title":"Nuxt: Unauthorized Component Instantiation via Server Island Props","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-48hr-524c-v5w3","CVE-2026-71318"],"plain_summary":"GitHub lists this reviewed advisory for nuxt, nuxt. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6e1e23fcb6d94599077a64aa4a5274f6"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-05T21:21:34.000Z","value":"4.8 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6e1e23fcb6d94599077a64aa4a5274f6"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-6e1e23fcb6d94599077a64aa4a5274f6","url":"https://github.com/advisories/GHSA-48hr-524c-v5w3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-48hr-524c-v5w3","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:09.980Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6e1e23fcb6d94599077a64aa4a5274f6"],"technology":"nuxt","known_exclusions":[],"conditions_summary":"## Impact\n\nNuxt server islands accept props via the `/__nuxt_island/` endpoint. When an application has a server island component that forwards props directly into Vue's dynamic component resolution (``, `resolveDynamicComponent`, or `h()`), an attacker can pass a plain string value (rather than a component definition) to instantiate any globally-registered Vue component or any native HTML element.\n\nFor example:\n```json\n{ \"as\": \"SomeGlobalComponent\" }\n```\n\n...resolves and renders `SomeGlobalComponent` if it is globally registered, even though the attacker should only be able to drive props for the island's declared component. Similarly, `{ \"as\": \"iframe\" }` renders an `` element.\n\nUnlike the primary RCE vector (GHSA-9473-5f9j-94wq), this does **not** require `vue.runtimeCompiler` to be enabled. A plain string prop is sufficient to trigger component resolution. The `template`/`render` key guard that addresses the RCE vector does not block plain string values.\n\nSome component libraries expose a polymorphic `as` / `asChild` prop that forwards its value into ``; `@nuxt/ui` (via `reka-ui`) is a widely used example. An application is affected if such","public_affected_ranges":[">= 4.0.0, < 4.5.1"]},{"certainty":"source_listed","source_ids":["sr-6e1e23fcb6d94599077a64aa4a5274f6"],"technology":"nuxt","known_exclusions":[],"conditions_summary":"## Impact\n\nNuxt server islands accept props via the `/__nuxt_island/` endpoint. When an application has a server island component that forwards props directly into Vue's dynamic component resolution (``, `resolveDynamicComponent`, or `h()`), an attacker can pass a plain string value (rather than a component definition) to instantiate any globally-registered Vue component or any native HTML element.\n\nFor example:\n```json\n{ \"as\": \"SomeGlobalComponent\" }\n```\n\n...resolves and renders `SomeGlobalComponent` if it is globally registered, even though the attacker should only be able to drive props for the island's declared component. Similarly, `{ \"as\": \"iframe\" }` renders an `` element.\n\nUnlike the primary RCE vector (GHSA-9473-5f9j-94wq), this does **not** require `vue.runtimeCompiler` to be enabled. A plain string prop is sufficient to trigger component resolution. The `template`/`render` key guard that addresses the RCE vector does not block plain string values.\n\nSome component libraries expose a polymorphic `as` / `asChild` prop that forwards its value into ``; `@nuxt/ui` (via `reka-ui`) is a widely used example. An application is affected if such","public_affected_ranges":[">= 3.1.0, < 3.21.10"]}],"null_published_at":"2026-11-04T10:04:27.941Z","source_updated_at":"2026-08-05T21:21:34.000Z","source_disclosed_at":"2026-08-05T21:21:33.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-03T09:58:09.980Z"}],"next_cursor":null,"snapshot_revision":"42594"}