{"action":"Upgrade hono to 4.12.18 or later.","affected":[{"fixed":"4.12.18","introduced":"0"}],"component":"hono","cve_ids":["CVE-2026-44457"],"ecosystem":"npm","epss":0.00198,"exploited":false,"fixed_versions":["4.12.18"],"ghsa_id":"GHSA-p77w-8qqv-26rm","id":"tcs_01M5KG2X4EZDMCB9VFCKSZ7W37","modified_at":"2026-09-10T03:51:06.651980667Z","published_at":"2026-05-09T00:28:46Z","references":["https://osv.dev/vulnerability/GHSA-p77w-8qqv-26rm","https://github.com/honojs/hono/security/advisories/GHSA-p77w-8qqv-26rm","https://nvd.nist.gov/vuln/detail/CVE-2026-44457","https://github.com/honojs/hono"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-p77w-8qqv-26rm","url":"https://osv.dev/vulnerability/GHSA-p77w-8qqv-26rm"}],"summary":"Hono's Cache Middleware ignores Vary: Authorization / Vary: Cookie leading to cross-user cache leakage"}