Vulnerability Description
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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/logto-io/logto
- https://github.com/logto-io/logto/blob/v1.42.0/packages/core/src/sso/OidcConnect
- https://github.com/logto-io/logto/commit/16f4b2e732d5114ac98646c9370ec6ab61d6ed2
- https://github.com/logto-io/logto/issues/9465
- https://www.vulncheck.com/advisories/logto-server-side-request-forgery-via-oidc-
- https://github.com/logto-io/logto/issues/9465
FAQ
What is CVE-2026-82263?
CVE-2026-82263 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 Manage...
How severe is CVE-2026-82263?
CVE-2026-82263 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-82263?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.