Vulnerability DatabaseCVE-2026-82263
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CVE-2026-82263
Published:August 28, 2026
Updated:September 24, 2026
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.
Related Resources (7)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82263.json
https://nvd.nist.gov/vuln/detail/CVE-2026-82263
https://github.com/logto-io/logto/commit/16f4b2e732d5114ac98646c9370ec6ab61d6ed26
https://www.vulncheck.com/advisories/logto-server-side-request-forgery-via-oidc-sso-connector-issuer-url
https://github.com/logto-io/logto/blob/v1.42.0/packages/core/src/sso/OidcConnector/utils.ts
https://github.com/logto-io/logto
https://github.com/logto-io/logto/issues/9465
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CVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
CWE-918
EPSS
Base Score:
0.26