Quick answers
- Is CVE-2026-9092 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-9092 being exploited in the wild.
- How severe is CVE-2026-9092?
- Informational severity, with a CVSS score of 8.1, published 28 May 2026.
- Which products and versions are affected?
- Casdoor Casdoor 2.362.0 and earlier.
- Is there a fix for CVE-2026-9092?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-9092 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-9092?
- Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A vulnerability in Casdoor's account binding logic allows for account takeover via unverified email claims. The 'getExistUserByBindingRule' function matches existing users by email address without validating the 'email_verified' claim from upstream OIDC/OAuth2 identity providers. Furthermore, the 'idp.UserInfo' struct lacks an 'EmailVerified' field entirely, preventing the application from performing this check. An attacker can register an unverified email address at a third-party provider and use it to bind to and take over a Casdoor account sharing that same email address. As of the advisory date, no patch is available.
Affected products
- Casdoor Casdoor 2.362.0 and earlier
Timeline
- 2026-05-28: disclosed: Vulnerability disclosed by CERT/CC after failed coordination with vendor.
- 2026-05-28: advisory