CVE-2026-97175
Keycloak-services: keycloak-services: unverified idp email auto-linking enables account takeover
Description
A flaw was found in the idp-auto-link authenticator of the keycloak-services component, which handles user identity federation. The issue occurs when Keycloak automatically links an incoming identity from an external provider to an existing local account based on an email address without verifying if the provider has validated that email. This can allow an attacker to take over a victim's account by using a matching unverified email address at a brokered provider.
INFO
Published Date :
Nov. 5, 2026, 5:16 p.m.
Last Modified :
Nov. 5, 2026, 5:16 p.m.
Remotely Exploit :
Yes !
Source :
redhat
Affected Products
The following products are affected by CVE-2026-97175
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 53f830b8-0a3f-465b-8143-3b8a9948e749 |
Solution
- Update Keycloak to enforce email verification during identity linking.
- Configure IdP to validate email addresses before brokering.
- Review and audit existing linked accounts.
- Implement stricter policies for identity federation.
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CVE-2026-97175 vulnerability anywhere in the article.