5.3
Moyenne
CVE-2026-94094 A flaw has been found in OpenClaw up to 2026.9.5
Description
A flaw has been found in OpenClaw up to 2026.9.5. Affected is the function createCanvasHostHandler of the file extensions/canvas/src/host/server.ts of the component Canvas Host Route. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been published and may be used. Fix suggestion's "streaming/size-limit" was never shipped - latest 2026.9.5 still buffers the whole file via readFile() (src/canvas/serve.runtime.ts:17,114), unlike the sibling WS path which caps at 64KB. The vendor was contacted early about this disclosure.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| OpenClaw 2026.9 | 2026.9.0 → 2026.9.5 | Pas de correctif indiqué |
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5.3
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