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{"bugzilla": {"description": "keycloak-services: keycloak-services: DCR azp and sid claim substitution allows Account REST session takeover", "id": "2540080", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540080"}, "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-287", "details": ["A flaw was found in the Keycloak Account REST API where it incorrectly handles session identification. A malicious client owner can manipulate their own security tokens to point to a different user's active session. This allows the attacker to access and modify the victim's account information, potentially leading to a full account takeover by changing the recovery email and resetting the password."], "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-2026-97367", "package_state": [{"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": "Not affected", "package_name": "keycloak-services", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2026-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97367\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97367"], "statement": "The Red Hat Product Security team has assessed the severity of this vulnerability as Moderate, given that exploitation requires the attacker to possess client registration privileges and relies on specific session timing and user interaction. Successful exploitation allows an attacker to read and modify victim account data, potentially leading to full account takeover. The vulnerability's root cause is the lack of validation between the token subject and the resolved session user, combined with the ability to map sensitive claims like sid via DCR.", "threat_severity": "Moderate"}

{"created": "2026-11-06T02:00:10.166626+00:00", "updated": "2026-11-06T02:00:10.166640+00:00", "vendors": []}