EUVD-2026-19671CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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Description
text-generation-webui is an open-source web interface for running Large Language Models. Prior to 4.3, he superbooga and superboogav2 RAG extensions fetch user-supplied URLs via requests.get() with zero validation - no scheme check, no IP filtering, no hostname allowlist. An attacker can access cloud metadata endpoints, steal IAM credentials, and probe internal services. The fetched content is exfiltrated through the RAG pipeline. This vulnerability is fixed in 4.3.
Analysis
Server-Side Request Forgery (SSRF) in oobabooga text-generation-webui versions prior to 4.3 allows unauthenticated remote attackers to access cloud metadata endpoints, exfiltrate IAM credentials, and probe internal network services via malicious URLs processed by the superbooga/superboogav2 RAG extensions. The vulnerability stems from unvalidated requests.get() calls with no scheme, IP, or hostname filtering. …
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Remediation
Within 24 hours: Identify all instances running text-generation-webui versions prior to 4.3 and determine if they are internet-exposed or contain sensitive data access. Within 7 days: Implement network segmentation to restrict access to text-generation-webui instances to trusted networks only, and disable the superbooga/superboogav2 RAG extensions if not operationally critical. …
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