{"action":"Upgrade piscina to 4.9.4 or later.","affected":[{"fixed":"5.3.2","introduced":"5.0.0"},{"fixed":"4.9.4","introduced":"0"},{"fixed":"6.0.0-rc.5","introduced":"6.0.0-rc.1"}],"component":"piscina","cve_ids":["CVE-2026-102992"],"ecosystem":"npm","epss":0.00512,"exploited":false,"fixed_versions":["5.3.2","4.9.4","6.0.0-rc.5"],"ghsa_id":"GHSA-67c8-pqhq-4rmx","id":"tcs_01M5KF6450K15N6CBJDA0HNA8F","modified_at":"2026-10-01T15:15:09.198862052Z","published_at":"2026-10-01T15:03:33Z","references":["https://osv.dev/vulnerability/GHSA-67c8-pqhq-4rmx","https://github.com/piscinajs/piscina/security/advisories/GHSA-67c8-pqhq-4rmx","https://nvd.nist.gov/vuln/detail/CVE-2026-102992","https://github.com/piscinajs/piscina/commit/0cb12fca37f526065b072592afe954574dcc656f","https://github.com/piscinajs/piscina/commit/2f69f67159a0e48b38fd61fa4a91c2fdc19fff72","https://github.com/piscinajs/piscina/commit/5be7bbb19e3787bb698862cd516121a578d690f7","https://github.com/piscinajs/piscina/commit/bebbda255c2981cecddd36b171b94be2fd41c9a6","https://github.com/piscinajs/piscina","https://github.com/piscinajs/piscina/releases/tag/v4.9.4","https://github.com/piscinajs/piscina/releases/tag/v5.3.2","https://github.com/piscinajs/piscina/releases/tag/v6.0.0-rc.5"],"severity":{"label":"critical","score":9.2},"sources":[{"source":"osv","source_id":"GHSA-67c8-pqhq-4rmx","url":"https://osv.dev/vulnerability/GHSA-67c8-pqhq-4rmx"},{"source":"nvd","source_id":"CVE-2026-102992","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102992"}],"summary":"piscina: Prototype-pollution gadget in ThreadPool.options allows RCE via execArgv / loadBalancer / env"}