CVE-2026-73565
CVE-2026-73565: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.3
Medium [CVE-2026-73565] @hono/node-server: @hono/node-server: Denial of Service via aborted WebSocket handshake
CVE-2026-73565Source published Source updated
@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. This action causes the server to retain request data, leading to unbounded memory growth and eventually a Denial of Service (DoS), making the service unavailable. An unauthenticated attacker can trigger…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 2.0.10
- Mitigation guidance
- To mitigate this issue, restrict network access to the affected Grafana instance to trusted clients only. This can be achieved by configuring firewall rules to limit incoming connections to the port Grafana listens on. If the service is reloaded or restarted, ensure firewall rules persist.
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