CVE-2026-82263

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 v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/logto-io/logto
https://github.com/logto-io/logto/blob/v1.42.0/packages/core/src/sso/OidcConnector/utils.ts
https://github.com/logto-io/logto/commit/16f4b2e732d5114ac98646c9370ec6ab61d6ed26
https://github.com/logto-io/logto/issues/9465
https://www.vulncheck.com/advisories/logto-server-side-request-forgery-via-oidc-sso-connector-issuer-url
https://github.com/logto-io/logto/issues/9465

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-28 20:20

Updated : 2026-09-08 20:23

NVD link : CVE-2026-82263

Mitre link : CVE-2026-82263

CVE.ORG link : CVE-2026-82263

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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