{"action":"Upgrade elysia to 1.4.29 or later.","affected":[{"fixed":"1.4.29","introduced":"0"}],"component":"elysia","cve_ids":["CVE-2026-56669"],"ecosystem":"npm","epss":0.0063,"exploited":false,"fixed_versions":["1.4.29"],"ghsa_id":"GHSA-9643-4qgh-g8mx","id":"tcs_01M5KFEYRCFHZCC805YJD3EGPS","modified_at":"2026-09-23T22:00:04.429969872Z","published_at":"2026-09-23T21:54:50Z","references":["https://osv.dev/vulnerability/GHSA-9643-4qgh-g8mx","https://github.com/elysiajs/elysia/security/advisories/GHSA-9643-4qgh-g8mx","https://nvd.nist.gov/vuln/detail/CVE-2026-56669","https://github.com/elysiajs/elysia/commit/8358ff9efbcedf9534995f5977f26b9ceab59329","https://gist.github.com/jviide/ea040eabe7bac058326174e2cd42dfd9","https://github.com/elysiajs/elysia","https://github.com/elysiajs/elysia/releases/tag/1.4.29"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-9643-4qgh-g8mx","url":"https://osv.dev/vulnerability/GHSA-9643-4qgh-g8mx"}],"summary":"elysia has Inefficient Algorithmic Complexity and Interpretation Conflict"}