CVE-2026-56676
CVE-2026-56676 · 9router: Image prefetch DNS rebinding allows SSRF to internal services
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9Router is an AI router & token saver. Prior to 0.5.2, 9router validates image URLs by resolving the host before fetching, but open-sse/translator/concerns/image.js performs the later server-side image fetch with a separate DNS resolution. An authenticated attacker with access to the LLM proxy can use a vision-capable model and an attacker-controlled DNS name that first resolves to a public IP and then rebinds to an internal address, allowing server-side requests to internal-only HTTP services. This issue is fixed in version 0.5.2.
CVSS 7.4 · Élevée · EPSS 0,2% · Code d’exploitation public · Correctif disponible
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Pile logicielle: node