{"action":"Upgrade hono to 4.12.4 or later.","affected":[{"fixed":"4.12.4","introduced":"0"}],"component":"hono","cve_ids":["CVE-2026-29085"],"ecosystem":"npm","epss":0.00255,"exploited":false,"fixed_versions":["4.12.4"],"ghsa_id":"GHSA-p6xx-57qc-3wxr","id":"tcs_01M5KG2V0JRXQ24HSJD90FB5YF","modified_at":"2026-09-10T03:50:40.157611504Z","published_at":"2026-03-04T19:48:41Z","references":["https://osv.dev/vulnerability/GHSA-p6xx-57qc-3wxr","https://github.com/honojs/hono/security/advisories/GHSA-p6xx-57qc-3wxr","https://nvd.nist.gov/vuln/detail/CVE-2026-29085","https://github.com/honojs/hono/commit/f4123ed9ea3c7c52380cc99a079a4d773838846e","https://github.com/honojs/hono"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-p6xx-57qc-3wxr","url":"https://osv.dev/vulnerability/GHSA-p6xx-57qc-3wxr"}],"summary":"Hono Vulnerable to SSE Control Field Injection via CR/LF in writeSSE()"}