{"action":"Upgrade hono to 4.12.4 or later.","affected":[{"fixed":"4.12.4","introduced":"0"}],"component":"hono","cve_ids":["CVE-2026-29086"],"ecosystem":"npm","epss":0.00259,"exploited":false,"fixed_versions":["4.12.4"],"ghsa_id":"GHSA-5pq2-9x2x-5p6w","id":"tcs_01M5KF4C2DZEBT0G75822G0C1Z","modified_at":"2026-09-10T03:50:37.686721963Z","published_at":"2026-03-04T19:49:14Z","references":["https://osv.dev/vulnerability/GHSA-5pq2-9x2x-5p6w","https://github.com/honojs/hono/security/advisories/GHSA-5pq2-9x2x-5p6w","https://nvd.nist.gov/vuln/detail/CVE-2026-29086","https://github.com/honojs/hono/commit/44ae0c8cc4d5ab2bed529127a4ac72e1483ad073","https://github.com/honojs/hono"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-5pq2-9x2x-5p6w","url":"https://osv.dev/vulnerability/GHSA-5pq2-9x2x-5p6w"}],"summary":"Hono Vulnerable to Cookie Attribute Injection via Unsanitized domain and path in setCookie()"}