{"items":[{"id":"NVI-00018665","kind":"vulnerability","title":"Nuxt: Route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mm7m-92g8-7m47","CVE-2026-53721"],"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-4d2a23b1725f3281157bff3786da9768"],"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":[],"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-4d2a23b1725f3281157bff3786da9768","url":"https://github.com/advisories/GHSA-mm7m-92g8-7m47","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mm7m-92g8-7m47","publisher":"GitHub Advisory Database","observed_at":"2026-11-06T07:20:20.042Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4d2a23b1725f3281157bff3786da9768"],"technology":"nuxt","known_exclusions":[],"conditions_summary":"## Impact\n\nNuxt looks up `routeRules` for the current navigation by calling\n`getRouteRules({ path: to.path })` from the page-router plugin and the\nno-pages router plugin. The compiled `routeRules` matcher (built on\n`rou3`) performs case-sensitive matching, while vue-router is configured\nwith its default `sensitive: false` and matches paths case-insensitively.\n\nThe two routers therefore disagree on which rules apply to a given\nrequest path: vue-router still matches the page record for\n`/Admin/dashboard`, but the `routeRules` lookup for the same path\nreturns no match. Any `appMiddleware` declared via `routeRules` is never\nadded to the middleware set and never runs, on both SSR and client\nnavigations. The same path skips other path-keyed route rules in the\nsame way (`ssr`, `redirect`, `appLayout`, and the prerender / payload\nhints used client-side).\n\nFor applications using `routeRules` with `appMiddleware` as an\nauthorization gate (a documented pattern), an attacker can flip the case\nof any static segment in a protected URL (for example `/Admin/dashboard`\ninstead of `/admin/dashboard`) to render the protected page with the\nmiddleware skipped. The server returns the fully server-render","public_affected_ranges":[">= 4.0.0, < 4.4.7"]},{"certainty":"source_listed","source_ids":["sr-4d2a23b1725f3281157bff3786da9768"],"technology":"nuxt","known_exclusions":[],"conditions_summary":"## Impact\n\nNuxt looks up `routeRules` for the current navigation by calling\n`getRouteRules({ path: to.path })` from the page-router plugin and the\nno-pages router plugin. The compiled `routeRules` matcher (built on\n`rou3`) performs case-sensitive matching, while vue-router is configured\nwith its default `sensitive: false` and matches paths case-insensitively.\n\nThe two routers therefore disagree on which rules apply to a given\nrequest path: vue-router still matches the page record for\n`/Admin/dashboard`, but the `routeRules` lookup for the same path\nreturns no match. Any `appMiddleware` declared via `routeRules` is never\nadded to the middleware set and never runs, on both SSR and client\nnavigations. The same path skips other path-keyed route rules in the\nsame way (`ssr`, `redirect`, `appLayout`, and the prerender / payload\nhints used client-side).\n\nFor applications using `routeRules` with `appMiddleware` as an\nauthorization gate (a documented pattern), an attacker can flip the case\nof any static segment in a protected URL (for example `/Admin/dashboard`\ninstead of `/admin/dashboard`) to render the protected page with the\nmiddleware skipped. The server returns the fully server-render","public_affected_ranges":[">= 3.11.0, < 3.21.7"]}],"null_published_at":"2026-11-07T07:07:42.453Z","source_updated_at":"2026-06-16T13:48:31.000Z","source_disclosed_at":"2026-06-16T13:48:31.000Z","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":"2026-11-06T07:20:20.042Z"}],"next_cursor":null,"snapshot_revision":"42594"}