{"api_version":"1","generated_at":"2026-09-27T21:42:02+00:00","cve":"CVE-2026-101058","urls":{"html":"https://cve.report/CVE-2026-101058","api":"https://cve.report/api/cve/CVE-2026-101058.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-101058","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101058"},"summary":{"title":"python-utcp before 1.1.12 SSRF via Remote HTTP Manual","description":"python-utcp (pip package utcp-http) before 1.1.12 does not verify whether tool URLs declared in a hand-written UTCP manual point at the agent's own loopback interface when that manual is discovered from a remote, non-loopback origin. 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Because ensure_secure_url intentionally permits loopback HTTP for local development and native manuals bypassed the loopback check performed by the OpenAPI converter, an attacker who can serve a UTCP manual that a victim registers can cause the client to issue requests to services bound only to 127.0.0.1 on the victim host and have the response bodies returned to the caller (server-side request forgery). The http, sse and streamable_http protocols are all affected. Reach is limited to loopback, and exploitation further requires a loopback service that answers unauthenticated requests with useful data. Fixed in utcp-http 1.1.12, which rejects manuals fetched from a non-loopback origin that declare loopback tool URLs, keyed off the final post-redirect discovery URL.","Type":"Description","Title":"python-utcp before 1.1.12 SSRF via Remote HTTP Manual"}]}}}