{"id":"CVE-2026-44457","sourceIdentifier":"security-advisories@github.com","published":"2026-05-13T16:16:57.700","lastModified":"2026-06-17T10:50:40.187","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"honojs","product":"hono","versions":[{"version":"< 4.12.18","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-18T14:06:33.297435Z","id":"CVE-2026-44457","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-524"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*","versionEndExcluding":"4.12.18","matchCriteriaId":"5AB1A6FC-8475-4A23-9E63-46F3E6C5D264"}]}]}],"references":[{"url":"https://github.com/honojs/hono/security/advisories/GHSA-p77w-8qqv-26rm","source":"security-advisories@github.com","tags":["Vendor Advisory"]}]}