CVE-2026-9092

Critical

Description

Casdoor versions 2.362.0 and earlier contain a vulnerability involving unverified email binding that may enable account takeover. The getExistUserByBindingRule function matches users by email without checking the email_verified claim from upstream providers; the idp.UserInfo struct does not even include a EmailVerified field. An attacker can supply an unverified email claim from an upstream provider to take over accounts that use the same email address.

SeverityCritical
CVSS9.1
Exploit probability—
ProductCasdoor
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-290CWE-290

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Casdoor Casdoorv ≤ 2.362.0—

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