{"action":"Upgrade effect to 3.20.0 or later.","affected":[{"fixed":"3.20.0","introduced":"0"}],"component":"effect","cve_ids":["CVE-2026-32887"],"ecosystem":"npm","epss":0.0028,"exploited":false,"fixed_versions":["3.20.0"],"ghsa_id":"GHSA-38f7-945m-qr2g","id":"tcs_01M5KEWKMDYP4NS0K1PHNEN1AC","modified_at":"2026-09-10T03:50:36.803601454Z","published_at":"2026-03-20T20:34:06Z","references":["https://osv.dev/vulnerability/GHSA-38f7-945m-qr2g","https://github.com/Effect-TS/effect/security/advisories/GHSA-38f7-945m-qr2g","https://nvd.nist.gov/vuln/detail/CVE-2026-32887","https://github.com/Effect-TS/effect"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"GHSA-38f7-945m-qr2g","url":"https://osv.dev/vulnerability/GHSA-38f7-945m-qr2g"}],"summary":"Effect `AsyncLocalStorage` context lost/contaminated inside Effect fibers under concurrent load with RPC"}