{"id":"CVE-2026-44457","revision":"532211556c28432dbe4e5fb1e35651e6","records":[{"revision":"532211556c28432dbe4e5fb1e35651e6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-44457","aliases":[],"title":"Hono: Cache Middleware ignores Vary: Authorization / Vary: Cookie leading to cross-user cache leakage","description":"Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, Cache Middleware does not skip caching for responses that declare per-user variance via Vary: Authorization or Vary: Cookie. As a result, a response cached for one authenticated user may be served to subsequent requests from different users. This vulnerability is fixed in 4.12.18.","state":0,"publishedAt":"2026-05-13T14:58:52.931+00:00","modifiedAt":"2026-05-18T14:07:53.005+00:00","affected":[{"ecosystem":"Vendor product","name":"hono","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"honojs\",\n                    \"product\": \"hono\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 4.12.18\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/honojs/hono/security/advisories/GHSA-p77w-8qqv-26rm"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-44457","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-44457","identifiers":["CVE-2026-44457"]},"retained":false,"historicalAffected":[]}],"coverage":[]}