{"action":"Upgrade @nestjs/platform-fastify to 11.1.24 or later.","affected":[{"fixed":"11.1.24","introduced":"0"}],"component":"@nestjs/platform-fastify","cve_ids":["CVE-2026-54281"],"ecosystem":"npm","epss":0.00498,"exploited":false,"fixed_versions":["11.1.24"],"ghsa_id":"GHSA-6v32-fjc9-9qf6","id":"tcs_01M5KF7YED85ZH1W0T4GRH3DTT","modified_at":"2026-07-18T17:30:30.681312997Z","published_at":"2026-06-15T20:36:43Z","references":["https://osv.dev/vulnerability/GHSA-6v32-fjc9-9qf6","https://github.com/nestjs/nest/security/advisories/GHSA-6v32-fjc9-9qf6","https://nvd.nist.gov/vuln/detail/CVE-2026-54281","https://github.com/nestjs/nest"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"GHSA-6v32-fjc9-9qf6","url":"https://osv.dev/vulnerability/GHSA-6v32-fjc9-9qf6"},{"source":"nvd","source_id":"CVE-2026-54281","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54281"}],"summary":"Nest: Middleware Bypass on Fastify via Trailing Slash"}