{"id":"CVE-2026-59896","sourceIdentifier":"security-advisories@github.com","published":"2026-07-08T17:17:27.493","lastModified":"2026-07-10T19:50:53.477","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Hono is a Web application framework that provides support for any JavaScript runtime. From 4.11.8 before 4.12.27, hono/jsx did not isolate context values per request during server-side rendering, allowing createContext, useContext, jsxRenderer, or useRequestContext data from a different in-flight request to be used after an await in an async component. This issue is fixed in version 4.12.27."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"honojs","product":"hono","versions":[{"version":">= 4.11.8, < 4.12.27","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":4.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-08T16:49:50.977740Z","id":"CVE-2026-59896","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-362"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*","versionStartIncluding":"4.11.8","versionEndExcluding":"4.12.27","matchCriteriaId":"9B42B113-3A7D-419F-BBEF-8EC6D7FDAC41"}]}]}],"references":[{"url":"https://github.com/honojs/hono/commit/fab3b13639339cbd5ba1166a5b23d9ac30c5f64f","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/honojs/hono/releases/tag/v4.12.27","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/honojs/hono/security/advisories/GHSA-hvrm-45r6-mjfj","source":"security-advisories@github.com","tags":["Vendor Advisory"]}]}