{"action":"Upgrade js-yaml to 5.4.1 or later.","affected":[{"fixed":"5.4.1","introduced":"5.0.0"}],"component":"js-yaml","cve_ids":[],"ecosystem":"npm","exploited":false,"fixed_versions":["5.4.1"],"ghsa_id":"GHSA-r3ph-w7gj-g6xm","id":"tcs_01M5KG7S57P16D257ASSZ7XEAV","modified_at":"2026-09-29T18:15:05.565309337Z","published_at":"2026-09-29T17:57:39Z","references":["https://osv.dev/vulnerability/GHSA-r3ph-w7gj-g6xm","https://github.com/nodeca/js-yaml/security/advisories/GHSA-r3ph-w7gj-g6xm","https://github.com/nodeca/js-yaml/commit/6a8e05f9a485188ed730ac81e81ae221352ef480","https://github.com/nodeca/js-yaml","https://github.com/nodeca/js-yaml/releases/tag/5.4.1"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-r3ph-w7gj-g6xm","url":"https://osv.dev/vulnerability/GHSA-r3ph-w7gj-g6xm"}],"summary":"js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources"}