cvedb.io
CVE-2026-45366
MEDIUM · CVSS 4.7
EPSS exploitation probability: 0%
Published 2026-05-28T22:17:00.773 · Last modified 2026-06-17T10:51:58.333

Summary

typescript-utcp is a typescript implementation of UTCP. Prior to 1.1.2, the @utcp/http package is vulnerable to a blind Server-Side Request Forgery (SSRF) caused by a trust-boundary inconsistency between manual discovery and tool invocation. registerManual() validates the discovery URL against an HTTPS / loopback allowlist, but callTool() reuses the resolved toolCallTemplate.url directly without revalidating, and the OpenApiConverter blindly trusts whatever servers[0].url an attacker-hosted spec declares. An attacker who hosts a malicious OpenAPI spec on a legitimate HTTPS endpoint can declare e.g. servers: [{ url: "http://127.0.0.1:9090" }] or servers: [{ url: "http://169.254.169.254" }]; the converter then produces tools whose URL points at internal services on the agent host. This vulne

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.