{"action":"Upgrade hono to 4.10.3 or later.","affected":[{"fixed":"4.10.3","introduced":"0"}],"component":"hono","cve_ids":["CVE-2025-71381"],"ecosystem":"npm","epss":0.00292,"exploited":false,"fixed_versions":["4.10.3"],"ghsa_id":"GHSA-q7jf-gf43-6x6p","id":"tcs_01M5KG5K14ZMACKDX5YF11K146","modified_at":"2026-10-02T18:45:04.883415459Z","published_at":"2025-10-24T19:15:13Z","references":["https://osv.dev/vulnerability/GHSA-q7jf-gf43-6x6p","https://github.com/honojs/hono/security/advisories/GHSA-q7jf-gf43-6x6p","https://nvd.nist.gov/vuln/detail/CVE-2025-71381","https://github.com/honojs/hono/commit/d9b8b4b73b4f997994f2764013207365fe711282","https://github.com/honojs/hono","https://www.vulncheck.com/advisories/hono-vary-header-injection-in-cors-middleware"],"severity":{"label":"medium","score":4.2},"sources":[{"source":"osv","source_id":"GHSA-q7jf-gf43-6x6p","url":"https://osv.dev/vulnerability/GHSA-q7jf-gf43-6x6p"}],"summary":"Hono vulnerable to Vary Header Injection leading to potential CORS Bypass"}