CVE-2026-35486: text-generation-webui is an open-source web interface for running Large Language Models. Prior to 4.3, he superbooga…
CVE-2026-35486 · Severity: high · CVSS 7.5 · Published 2026-04-07
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.
No. Junglewise Threat Intelligence has no report of CVE-2026-35486 being exploited in the wild.
How severe is CVE-2026-35486?
High severity, with a CVSS score of 7.5, published 7 April 2026.
Which products and versions are affected?
Oobabooga Text Generation Web Ui. The advisory does not name versions.
Is there a fix for CVE-2026-35486?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-35486?
Check whether you run Oobabooga Text Generation Web Ui. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.