{"action":"Upgrade msgpack5 to 6.1.0 or later.","affected":[{"fixed":"6.1.0","introduced":"0"}],"component":"msgpack5","cve_ids":["CVE-2026-107297"],"ecosystem":"npm","epss":0.00389,"exploited":false,"fixed_versions":["6.1.0"],"ghsa_id":"GHSA-gcx5-hxj7-gpqq","id":"tcs_01M5KFRDY9QQKY9EHHWWDDMVD4","modified_at":"2026-10-08T18:00:08.904462199Z","published_at":"2026-10-08T17:39:46Z","references":["https://osv.dev/vulnerability/GHSA-gcx5-hxj7-gpqq","https://github.com/mcollina/msgpack5/security/advisories/GHSA-gcx5-hxj7-gpqq","https://github.com/mcollina/msgpack5/commit/e4827641d3105e295cbbd56e9c5389978547eab4","https://github.com/mcollina/msgpack5","https://github.com/mcollina/msgpack5/releases/tag/v6.1.0"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-gcx5-hxj7-gpqq","url":"https://osv.dev/vulnerability/GHSA-gcx5-hxj7-gpqq"}],"summary":"msgpack5: Quadratic parsing in the streaming decoder"}