CVE-2026-14199

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{"bugzilla": {"description": "grafana: Grafana: Session takeover via Auth Proxy cache key collision", "id": "2521850", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521850"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L", "status": "draft"}, "cwe": "CWE-639", "details": ["On instances using Auth Proxy header authentication ([auth.proxy]) with identity caching enabled (sync_ttl > 0), two distinct user identities could produce the same cache key. An authenticated low-privileged user able to influence their own forwarded identity attributes could be served a higher-privileged user's cached session and act as that user for the duration of the cache TTL. Default configurations are not affected."], "mitigation": {"lang": "en:us", "value": "Set [auth.proxy] sync_ttl = 0 to disable the identity cache (identity is then synced on every request), or upgrade to a fixed version: 11.0.0+, 12.4.10+ (12.4.x), 13.0.8+ (13.0.x), 13.1.5+ (13.1.x), or 13.2.1+ (13.2.x and newer \u2014 13.2.0 itself is still vulnerable)."}, "name": "CVE-2026-14199", "package_state": [{"cpe": "cpe:/a:redhat:multicluster_globalhub", "fix_state": "Affected", "impact": "important", "package_name": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9", "product_name": "Multicluster Global Hub"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Affected", "impact": "important", "package_name": "rhacm2/acm-grafana-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:ceph_storage:5", "fix_state": "Under investigation", "package_name": "rhceph/rhceph-5-dashboard-rhel8", "product_name": "Red Hat Ceph Storage 5"}, {"cpe": "cpe:/a:redhat:ceph_storage:6", "fix_state": "Affected", "impact": "important", "package_name": "rhceph/rhceph-6-dashboard-rhel9", "product_name": "Red Hat Ceph Storage 6"}, {"cpe": "cpe:/a:redhat:ceph_storage:7", "fix_state": "Affected", "impact": "important", "package_name": "rhceph/grafana-rhel9", "product_name": "Red Hat Ceph Storage 7"}, {"cpe": "cpe:/a:redhat:ceph_storage:8", "fix_state": "Affected", "impact": "important", "package_name": "rhceph/grafana-rhel9", "product_name": "Red Hat Ceph Storage 8"}, {"cpe": "cpe:/a:redhat:ceph_storage:9", "fix_state": "Affected", "impact": "important", "package_name": "rhceph/grafana-rhel10", "product_name": "Red Hat Ceph Storage 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "impact": "important", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "impact": "important", "package_name": "grafana12.4", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "impact": "important", "package_name": "grafana13.1", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-09-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-14199\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-14199\nhttps://grafana.com/security/security-advisories/cve-2026-14199/"], "threat_severity": "Important"}

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