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{"acknowledgement": "Red Hat would like to thank He Wei\uff08\u30ae\u30ab\u30af\uff09 for reporting this issue.", "bugzilla": {"description": "keycloak-services: keycloak-services: Cross-session email verification proof not bound to upstream identity for social providers", "id": "2526318", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2526318"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-639", "details": ["A flaw was found in the first-broker-login flow of the Keycloak identity management service. When a user links a social identity provider account to their local account, the verification proof generated is not strictly bound to the specific upstream identity being verified. This allows an attacker with a different account on the same social provider to intercept the process and link their own account to the victim's local profile, gaining unauthorized access."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-82968", "package_state": [{"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "keycloak/rhbk-openshift-rhel9", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "keycloak-services", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "rhbk/keycloak-rhel9", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "keycloak-services", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2026-08-27T10:19:11Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-82968\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-82968"], "statement": "The Red Hat Product Security team has assessed the severity of this vulnerability as Moderate, given that exploitation requires specific timing and user interaction during an active account-linking process. Successful exploitation allows an attacker to link their own social identity to a victim's local account and gain unauthorized access to the victim's data and permissions. The vulnerability's root cause is the failure to bind the cross-session verification proof to the specific upstream identity for social providers.", "threat_severity": "Moderate"}

{"created": "2026-09-02T03:30:06.985497+00:00", "updated": "2026-09-02T03:30:06.985503+00:00", "vendors": []}