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Logto Server-Side Request Forgery via OIDC SSO Connector Issuer URL

CVSS 4.0 8.2 HIGHCVSS 3.1 6.8 MEDIUMCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-82263

Published

Logto through 1.42.0 contains a server-side request forgery vulnerability in the OIDC SSO connector creation endpoint that fails to validate the issuer URL parameter. Tenant administrators with Management API credentials can supply arbitrary internal URLs to trigger HTTP GET requests to private network services, with response content returned in API responses.

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Sources read 12 Nov 14:22 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current