{"items":[{"id":"NVI-00016248","kind":"vulnerability","title":"Nest: Middleware Bypass on Fastify via Trailing Slash","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-6v32-fjc9-9qf6","CVE-2026-54281"],"plain_summary":"GitHub lists this reviewed advisory for @nestjs/platform-fastify. 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-03a75b5a93a1103a9928c5a4a530a924"],"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":"2026-10-25T23:10:00.167Z","value":"8.7 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-03a75b5a93a1103a9928c5a4a530a924"}],"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-55fd655b8934186612b6848aa1674546","url":"https://github.com/advisories/GHSA-6v32-fjc9-9qf6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6v32-fjc9-9qf6","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:49:06.528Z"},{"id":"sr-03a75b5a93a1103a9928c5a4a530a924","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54281","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-54281","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T01:48:12.360Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-55fd655b8934186612b6848aa1674546"],"technology":"@nestjs/platform-fastify","known_exclusions":[],"conditions_summary":"### Impact\n\nAn authentication bypass vulnerability exists in `@nestjs/platform-fastify` (confirmed on version `11.1.24`, the latest available release at time of report). When middleware is registered through NestJS's `MiddlewareConsumer.forRoutes()` API on the Fastify adapter, an unauthenticated client can bypass the Nest middleware registered for that route by simply appending a trailing slash (`/`) to the request URL.\n\nThis bypass works on the **default Fastify adapter configuration** — no special router options need to be enabled. Applications using the standard CRUD route shape (`GET /resource` and `GET /resource/:id`) are affected when they protect those routes with `MiddlewareConsumer.forRoutes()` middleware.\n\n### Patches\n\nFixed in `@nestjs/platform-fastify@11.1.24`\n\n### References\n\nKudos goes to @a-tt-om","public_affected_ranges":["<= 11.1.23"]}],"null_published_at":"2026-11-08T19:53:44.016Z","source_updated_at":"2026-07-18T17:26:43.000Z","source_disclosed_at":"2026-06-15T20:36:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-04T02:49:06.528Z"},{"id":"NVI-00016248","kind":"vulnerability","title":"Nest: Middleware Bypass on Fastify via Trailing Slash","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6v32-fjc9-9qf6","CVE-2026-54281"],"plain_summary":"GitHub lists this reviewed advisory for @nestjs/platform-fastify. 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-55fd655b8934186612b6848aa1674546"],"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-55fd655b8934186612b6848aa1674546","url":"https://github.com/advisories/GHSA-6v32-fjc9-9qf6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6v32-fjc9-9qf6","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:49:06.528Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-55fd655b8934186612b6848aa1674546"],"technology":"@nestjs/platform-fastify","known_exclusions":[],"conditions_summary":"### Impact\n\nAn authentication bypass vulnerability exists in `@nestjs/platform-fastify` (confirmed on version `11.1.24`, the latest available release at time of report). When middleware is registered through NestJS's `MiddlewareConsumer.forRoutes()` API on the Fastify adapter, an unauthenticated client can bypass the Nest middleware registered for that route by simply appending a trailing slash (`/`) to the request URL.\n\nThis bypass works on the **default Fastify adapter configuration** — no special router options need to be enabled. Applications using the standard CRUD route shape (`GET /resource` and `GET /resource/:id`) are affected when they protect those routes with `MiddlewareConsumer.forRoutes()` middleware.\n\n### Patches\n\nFixed in `@nestjs/platform-fastify@11.1.24`\n\n### References\n\nKudos goes to @a-tt-om","public_affected_ranges":["<= 11.1.23"]}],"null_published_at":"2026-11-04T10:04:27.922Z","source_updated_at":"2026-07-18T17:26:43.000Z","source_disclosed_at":"2026-06-15T20:36:43.000Z","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":"2026-11-04T02:49:06.528Z"}],"next_cursor":null,"snapshot_revision":"42594"}