{"action":"Upgrade hono to 4.12.27 or later.","affected":[{"fixed":"4.12.27","introduced":"4.11.8"}],"component":"hono","cve_ids":["CVE-2026-59896"],"ecosystem":"npm","epss":0.00299,"exploited":false,"fixed_versions":["4.12.27"],"ghsa_id":"GHSA-hvrm-45r6-mjfj","id":"tcs_01M5KFW56DA6ZZ5MBT49B23Z9F","modified_at":"2026-09-10T03:50:12.326975538Z","published_at":"2026-07-21T18:34:19Z","references":["https://osv.dev/vulnerability/GHSA-hvrm-45r6-mjfj","https://github.com/honojs/hono/security/advisories/GHSA-hvrm-45r6-mjfj","https://nvd.nist.gov/vuln/detail/CVE-2026-59896","https://github.com/honojs/hono/commit/fab3b13639339cbd5ba1166a5b23d9ac30c5f64f","https://github.com/honojs/hono","https://github.com/honojs/hono/releases/tag/v4.12.27"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-hvrm-45r6-mjfj","url":"https://osv.dev/vulnerability/GHSA-hvrm-45r6-mjfj"}],"summary":"hono/jsx does not isolate context per request, leading to cross-request data disclosure"}