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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was identified in the Docker v2 authentication endpoint of Keycloak, where tokens continue to be issued even after a Docker registry client has been administratively disabled. This means that turning the client \u201cEnabled\u201d setting to OFF does not fully prevent access. As a result, previously valid credentials can still be used to obtain authentication tokens. This weakens administrative controls and could allow unintended access to container registry resources."}], "id": "CVE-2026-2733", "lastModified": "2026-02-19T15:52:39.260", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.8, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 2.5, "source": "secalert@redhat.com", "type": "Primary"}]}, "published": "2026-02-19T08:16:17.980", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-2733"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2440895"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "secalert@redhat.com", "type": "Primary"}]}

{"bugzilla": {"description": "org.keycloak/keycloak-services: Keycloak: Missing Check on Disabled Client for Docker Registry Protocol", "id": "2440895", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2440895"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-285", "details": ["A flaw was identified in the Docker v2 authentication endpoint of Keycloak, where tokens continue to be issued even after a Docker registry client has been administratively disabled. This means that turning the client \u201cEnabled\u201d setting to OFF does not fully prevent access. As a result, previously valid credentials can still be used to obtain authentication tokens. This weakens administrative controls and could allow unintended access to container registry resources."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-2733", "package_state": [{"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Fix deferred", "package_name": "rhbk/keycloak-operator-bundle", "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:build_keycloak:", "fix_state": "Fix deferred", "package_name": "rhbk/keycloak-rhel9-operator", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Fix deferred", "package_name": "keycloak-services", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Fix deferred", "package_name": "keycloak-services", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"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": "2026-02-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-2733\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-2733"], "statement": "The security impact of this vulnerability is rated as Low (CVSS 3.8) because successful exploitation requires valid user credentials and knowledge of the Docker client ID. While the issue does not allow privilege escalation beyond the authenticated user\u2019s permissions, it undermines an important administrative control. By continuing to issue tokens for a disabled client, the system fails to properly enforce authorization state, potentially resulting in unintended access to protected container images.", "threat_severity": "Low"}

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