{"answers":{"affected":"2 open source packages ship an affected version, including @hono/node-server.","exploited":"There is no known exploitation of CVE-2026-73565 in the wild and no public exploit code.","fix":"Upgrade @hono/node-server to 2.0.10 or later.","what":"CVE-2026-73565 is a medium-severity denial of service vulnerability in honojs node-server, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-73565 and fix it if it is affected.\n\nWhat it is: CVE-2026-73565 is a medium-severity denial of service vulnerability in honojs node-server, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-73565 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- @hono/node-server (npm): affected from 2.0.0; fixed in 2.0.10\n- @hono/node-server (npm): affected from 2.0.0; fixed in 2.0.10\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-73565/ (Markdown: https://insights.sbomify.com/CVE-2026-73565/index.md)","id":"CVE-2026-73565","markdown":"https://insights.sbomify.com/CVE-2026-73565/index.md","name":"CVE-2026-73565","record":{"aliases":["CLEANSTART-2026-EE86998","GHSA-9mqv-5hh9-4cgg"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Node.js web server library","requires_auth":"none","summary":"An unauthenticated attacker can cause a denial of service by sending malformed WebSocket handshake requests that leak memory in the Hono Node.js server library.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"cwes":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling"},{"id":"CWE-401","name":"Missing Release of Memory after Effective Lifetime"}],"description":"@hono/node-server allows running the Hono application on Node.js. From 2.0.0 until 2.0.10, a WebSocket upgrade request to an upgradeWebSocket route with a missing or malformed Sec-WebSocket-Key header causes src/websocket.ts to retain the request's IncomingMessage in waiterMap and leave waitForWebSocket pending because ws.handleUpgrade emits no connection event. The aborted handshake therefore has no cleanup path, allowing an unauthenticated attacker to flood a public route, cause unbounded memory growth, and eventually make the service unavailable. This issue is fixed in version 2.0.10.","ecosystems":["npm"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"@hono/node-server: Unauthenticated memory-leak DoS via aborted WebSocket handshake","id":"CVE-2026-73565","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"npm","product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":2,"n_references":3,"next":{"headline":"node-tar: Uncontrolled recursion in mapHas/filesFilter allows uncatchable stack-overflow DoS via crafted long-path tar with member selection","id":"CVE-2026-73566"},"packages":[{"ecosystem":"npm","fixed":["2.0.10"],"introduced":["2.0.0"],"last_affected":[],"package":"@hono/node-server","purl":null,"source":"GHSA-9mqv-5hh9-4cgg"},{"ecosystem":"npm","fixed":["2.0.10"],"introduced":["2.0.0"],"last_affected":[],"package":"@hono/node-server","purl":"pkg:npm/%40hono/node-server","source":"GHSA-9mqv-5hh9-4cgg"}],"prev":{"headline":"frp: Unauthenticated Remote Denial of Service in the frp SSH Tunnel Gateway via Integer Overflow","id":"CVE-2026-73564"},"products":["node-server"],"published":"2026-08-13","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-08-14","vendors":["honojs"]},"summary":"An unauthenticated attacker can cause a denial of service by sending malformed WebSocket handshake requests that leak memory in the Hono Node.js server library.","url":"https://insights.sbomify.com/CVE-2026-73565/"}