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Vulnerability record · CVE-2026-9092 · published 28 May 2026

CVE-2026-9092: Casdoor versions 2.362.0 and earlier contain a vulnerability involving unverified email binding that may enabl…

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.

9.1 CVSS 3.1 Critical EPSS 0.40% · top 67.9% Deferred
9.1CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

LinkTags
https://kb.cert.org/vuls/id/780781

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Source: NIST National Vulnerability Database (record CVE-2026-9092), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.