{"action":"Upgrade msgpack5 to 6.1.0 or later.","affected":[{"fixed":"6.1.0","introduced":"4.1.0"}],"component":"msgpack5","cve_ids":["CVE-2026-107302"],"ecosystem":"npm","exploited":false,"fixed_versions":["6.1.0"],"ghsa_id":"GHSA-8f34-f56x-9xph","id":"tcs_01M5JJ2PT1F50AHT5AGFEPEHA5","modified_at":"2026-10-19T19:45:04.408071513Z","published_at":"2026-10-08T17:40:10Z","references":["https://osv.dev/vulnerability/GHSA-8f34-f56x-9xph","https://github.com/mcollina/msgpack5/security/advisories/GHSA-8f34-f56x-9xph","https://nvd.nist.gov/vuln/detail/CVE-2026-107302","https://github.com/mcollina/msgpack5/commit/15443a1f2aa682a6aa37f1705ac628de5b866ad1","https://github.com/mcollina/msgpack5","https://github.com/mcollina/msgpack5/releases/tag/v6.1.0"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-8f34-f56x-9xph","url":"https://osv.dev/vulnerability/GHSA-8f34-f56x-9xph"}],"summary":"msgpack5: Truncated map32 headers throw an unexpected error"}