{"action":"Upgrade js-yaml to 5.2.0 or later.","affected":[{"fixed":"5.2.0","introduced":"5.0.0"}],"component":"js-yaml","cve_ids":["CVE-2026-59868"],"ecosystem":"npm","epss":0.00644,"exploited":false,"fixed_versions":["5.2.0"],"ghsa_id":"GHSA-g796-fgmg-93mv","id":"tcs_01M5KFQHSYVSVH2NRBK3NAH0NC","modified_at":"2026-07-20T21:30:38.305649104Z","published_at":"2026-07-20T21:19:27Z","references":["https://osv.dev/vulnerability/GHSA-g796-fgmg-93mv","https://github.com/nodeca/js-yaml/security/advisories/GHSA-g796-fgmg-93mv","https://nvd.nist.gov/vuln/detail/CVE-2026-59868","https://github.com/nodeca/js-yaml/commit/3105455b81dee69e0fd36e09ac0b2ccfdb54adc1","https://github.com/nodeca/js-yaml","https://github.com/nodeca/js-yaml/releases/tag/5.2.0"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-g796-fgmg-93mv","url":"https://osv.dev/vulnerability/GHSA-g796-fgmg-93mv"}],"summary":"js-yaml: YAML merge-key chains can force quadratic CPU consumption in js-yaml"}