{"action":"Upgrade hono to 4.12.34 or later.","affected":[{"fixed":"4.12.34","introduced":"3.8.0"}],"component":"hono","cve_ids":["CVE-2026-71850"],"ecosystem":"npm","epss":0.00267,"exploited":false,"fixed_versions":["4.12.34"],"ghsa_id":"GHSA-f23p-vx2j-j53r","id":"tcs_01M5KFM2M3Q6FYE28HA233X81C","modified_at":"2026-09-10T03:51:13.947851047Z","published_at":"2026-08-07T18:42:01Z","references":["https://osv.dev/vulnerability/GHSA-f23p-vx2j-j53r","https://github.com/honojs/hono/security/advisories/GHSA-f23p-vx2j-j53r","https://github.com/honojs/hono/commit/0c45036d6b0ddf42ab2fa44639dc8710825d5c0f","https://github.com/honojs/hono","https://github.com/honojs/hono/releases/tag/v4.12.34"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-f23p-vx2j-j53r","url":"https://osv.dev/vulnerability/GHSA-f23p-vx2j-j53r"}],"summary":"Hono: `memo()` retains SSR output across requests, leading to cross-user data disclosure"}