{"action":"Upgrade hono to 4.12.7 or later.","affected":[{"fixed":"4.12.7","introduced":"0"}],"component":"hono","cve_ids":["CVE-2026-56763"],"ecosystem":"npm","epss":0.00273,"exploited":false,"fixed_versions":["4.12.7"],"ghsa_id":"GHSA-v8w9-8mx6-g223","id":"tcs_01M5KGBAW68TX5QGY4EYVTBSW3","modified_at":"2026-10-02T22:45:04.525587715Z","published_at":"2026-03-11T00:31:47Z","references":["https://osv.dev/vulnerability/GHSA-v8w9-8mx6-g223","https://github.com/honojs/hono/security/advisories/GHSA-v8w9-8mx6-g223","https://nvd.nist.gov/vuln/detail/CVE-2026-56763","https://github.com/honojs/hono/commit/ef902257e0beacbb83d2a9549b3b83e03514a6fe","https://github.com/honojs/hono","https://www.vulncheck.com/advisories/hono-prototype-pollution-via-proto-key-in-parsebody-with-dot-option"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-v8w9-8mx6-g223","url":"https://osv.dev/vulnerability/GHSA-v8w9-8mx6-g223"}],"summary":"Hono vulnerable to Prototype Pollution possible through __proto__ key allowed in parseBody({ dot: true })"}