{"action":"Upgrade js-yaml to 3.15.2 or later.","affected":[{"fixed":"4.3.2","introduced":"4.0.0"},{"fixed":"3.15.2","introduced":"3.0.0"}],"component":"js-yaml","cve_ids":["CVE-2026-84375"],"ecosystem":"npm","epss":0.00541,"exploited":false,"fixed_versions":["4.3.2","3.15.2"],"ghsa_id":"GHSA-2883-xcg3-v3hh","id":"tcs_01M5KESENAX396CHASCD9JTHHR","modified_at":"2026-09-08T21:30:05.575808098Z","published_at":"2026-09-08T21:24:51Z","references":["https://osv.dev/vulnerability/GHSA-2883-xcg3-v3hh","https://github.com/nodeca/js-yaml/security/advisories/GHSA-2883-xcg3-v3hh","https://nvd.nist.gov/vuln/detail/CVE-2026-84375","https://github.com/nodeca/js-yaml/pull/797","https://github.com/nodeca/js-yaml/commit/3485bc06ff8a0251505f44a00414d90df2466639","https://github.com/nodeca/js-yaml/commit/6a8e05f9a485188ed730ac81e81ae221352ef480","https://github.com/nodeca/js-yaml/commit/d90b6612a5a84385bdcb556c44578eac76dc0f6b","https://github.com/nodeca/js-yaml","https://github.com/nodeca/js-yaml/releases/tag/3.15.2","https://github.com/nodeca/js-yaml/releases/tag/4.3.2"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-2883-xcg3-v3hh","url":"https://osv.dev/vulnerability/GHSA-2883-xcg3-v3hh"}],"summary":"js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources"}