{"action":"Upgrade @hotwired/turbo to 8.0.21 or later.","affected":[{"fixed":"8.0.21","introduced":"0"}],"component":"@hotwired/turbo","cve_ids":["CVE-2025-66803"],"ecosystem":"npm","epss":0.00283,"exploited":false,"fixed_versions":["8.0.21"],"ghsa_id":"GHSA-qppm-g56g-fpvp","id":"tcs_01M5KG6QV793179S3FF1GM28PM","modified_at":"2026-02-03T03:11:18.973937Z","published_at":"2026-01-20T18:58:15Z","references":["https://osv.dev/vulnerability/GHSA-qppm-g56g-fpvp","https://github.com/hotwired/turbo/security/advisories/GHSA-qppm-g56g-fpvp","https://nvd.nist.gov/vuln/detail/CVE-2025-66803","https://github.com/hotwired/turbo/pull/1399","https://github.com/hotwired/turbo/commit/899df356e9f4b3303cca217cd14b3f846edda10d","https://github.com/hotwired/turbo","https://github.com/hotwired/turbo/releases/tag/v8.0.21","https://turbo.hotwired.dev/handbook/frames"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-qppm-g56g-fpvp","url":"https://osv.dev/vulnerability/GHSA-qppm-g56g-fpvp"},{"source":"nvd","source_id":"CVE-2025-66803","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66803"}],"summary":"Turbo Frame responses can restore stale session cookies"}