{"id":"CVE-2026-40293","title":"OpenFGA: github.com/openfga/openfga: OpenFGA: Information disclosure of preshared API key via playground endpoint (CVE-2026-40293)","summary":"A flaw was found in OpenFGA, an authorization/permission engine. When OpenFGA is configured to use preshared-key authentication and the built-in playground is enabled and accessible beyond localhost or trusted networks, a remote attacker c…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvssSource":"vendor","cwe":["CWE-201","CWE-200"],"vendor":"Red Hat","product":"Multicluster Global Hub 1.7.3","affected":["ceph_storage 6","ceph_storage 9","multicluster_global_hub 1.7.3","advanced_cluster_management_for_kubernetes 2.14","advanced_cluster_management_for_kubernetes 2.15"],"patched":["multicluster_global_hub 1.7.3","advanced_cluster_management_for_kubernetes 2.14","advanced_cluster_management_for_kubernetes 2.15"],"published":"2026-04-17","updated":"2026-09-21","sourceUpdated":"2026-09-21T15:40:57+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40293.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40293.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-40293"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2459341"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-40293"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40293"},{"url":"https://github.com/openfga/openfga/releases/tag/v1.14.0"},{"url":"https://github.com/openfga/openfga/security/advisories/GHSA-68m9-983m-f3v5"},{"url":"https://access.redhat.com/errata/RHSA-2026:24503"},{"url":"https://access.redhat.com/errata/RHSA-2026:36882"},{"url":"https://access.redhat.com/errata/RHSA-2026:24539"},{"url":"https://github.com/openfga/openfga"}],"tags":["csaf","vex","red-hat","osv","go","cve.org"],"epss":0.00287,"epssPercentile":0.2141,"aliases":["GHSA-68m9-983m-f3v5","GO-2026-5170"],"ecosystem":"go","ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-04-20T16:19:32.851531Z"},"scores":{"vendor":7.5,"osv":6.5,"cna":6.5},"ingestedAt":"2026-07-09T18:56:37.055Z","slug":"CVE-2026-40293","body":"## Overview\n\nA flaw was found in OpenFGA, an authorization/permission engine. When OpenFGA is configured to use preshared-key authentication and the built-in playground is enabled and accessible beyond localhost or trusted networks, a remote attacker can exploit this vulnerability. The local server includes the preshared API key in the HTML response of the /playground endpoint, leading to information disclosure of the API key. This can allow unauthorized access to the system.\n\n## Vendor advisories\n\n- **RHSA-2026:24503** · Red Hat · fixed in: Multicluster Global Hub 1.7.3 · released 2026-06-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:24503)\n- **RHSA-2026:36882** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.14 · released 2026-07-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:36882)\n- **RHSA-2026:24539** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.15 · released 2026-06-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:24539)\n- **Red Hat VEX** · Important · affected: Red Hat Ceph Storage 6, Red Hat Ceph Storage 9 · no fix planned: Red Hat Ceph Storage 6, Red Hat Ceph Storage 9 · updated 2026-09-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40293.json)\n\n**OpenFGA: github.com/openfga/openfga: OpenFGA: Information disclosure of preshared API key via playground endpoint** — rated Important by Red Hat. Released 2026-04-17, updated 2026-09-21.\n\nAffected:\n\n- Red Hat Ceph Storage 6\n- Red Hat Ceph Storage 9\n\nFixed:\n\n- Multicluster Global Hub 1.7.3\n- Red Hat Advanced Cluster Management for Kubernetes 2.14\n- Red Hat Advanced Cluster Management for Kubernetes 2.15\n\nNo fix planned:\n\n- Red Hat Ceph Storage 6\n- Red Hat Ceph Storage 9\n\nNot affected:\n\n- Multicluster Global Hub 1.7.3\n- Red Hat Advanced Cluster Management for Kubernetes 2.14\n- Red Hat Advanced Cluster Management for Kubernetes 2.15\n\n## Remediation\n\nFor more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.16/html/multicluster_global_hub/index https://access.redhat.com/errata/RHSA-2026:24503\nBefore you apply this update, make sure all previously released errata\nthat are relevant to your system are applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2026:36882\nBefore you apply this update, make sure all previously released errata\nthat are relevant to your system are applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2026:24539\n\n## Package advisory (CVE-2026-40293)\n\nAffected packages:\n\n- `github.com/openfga/openfga >= 0.1.4, < 1.14.0`\n\nPatched in:\n\n- `github.com/openfga/openfga 1.14.0`\n\nSource: https://osv.dev/vulnerability/GHSA-68m9-983m-f3v5","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":208571,"id":"CVE-2026-40293","ts":1790009105544,"field":"cvss","old":"6.5","new":"7.5"},{"seq":208570,"id":"CVE-2026-40293","ts":1790009105544,"field":"severity","old":"medium","new":"high"},{"seq":201627,"id":"CVE-2026-40293","ts":1789399558105,"field":"cvss","old":"7.5","new":"6.5"},{"seq":201626,"id":"CVE-2026-40293","ts":1789399558105,"field":"severity","old":"high","new":"medium"},{"seq":200359,"id":"CVE-2026-40293","ts":1789397166298,"field":"cvss","old":"6.5","new":"7.5"},{"seq":200358,"id":"CVE-2026-40293","ts":1789397166298,"field":"severity","old":"medium","new":"high"},{"seq":198283,"id":"CVE-2026-40293","ts":1789391799846,"field":"cvss","old":"7.5","new":"6.5"},{"seq":198282,"id":"CVE-2026-40293","ts":1789391799846,"field":"severity","old":"high","new":"medium"},{"seq":196076,"id":"CVE-2026-40293","ts":1789383450834,"field":"cvss","old":"6.5","new":"7.5"},{"seq":196075,"id":"CVE-2026-40293","ts":1789383450834,"field":"severity","old":"medium","new":"high"},{"seq":195005,"id":"CVE-2026-40293","ts":1789380343532,"field":"cvss","old":"7.5","new":"6.5"},{"seq":195004,"id":"CVE-2026-40293","ts":1789380343532,"field":"severity","old":"high","new":"medium"},{"seq":193792,"id":"CVE-2026-40293","ts":1789378316988,"field":"cvss","old":"6.5","new":"7.5"},{"seq":193791,"id":"CVE-2026-40293","ts":1789378316988,"field":"severity","old":"medium","new":"high"},{"seq":192579,"id":"CVE-2026-40293","ts":1789376287684,"field":"cvss","old":"7.5","new":"6.5"},{"seq":192578,"id":"CVE-2026-40293","ts":1789376287684,"field":"severity","old":"high","new":"medium"},{"seq":191366,"id":"CVE-2026-40293","ts":1789373173981,"field":"cvss","old":"6.5","new":"7.5"},{"seq":191365,"id":"CVE-2026-40293","ts":1789373173981,"field":"severity","old":"medium","new":"high"},{"seq":190151,"id":"CVE-2026-40293","ts":1789369161380,"field":"cvss","old":"7.5","new":"6.5"},{"seq":190150,"id":"CVE-2026-40293","ts":1789369161380,"field":"severity","old":"high","new":"medium"},{"seq":188938,"id":"CVE-2026-40293","ts":1789368065950,"field":"cvss","old":"6.5","new":"7.5"},{"seq":188937,"id":"CVE-2026-40293","ts":1789368065950,"field":"severity","old":"medium","new":"high"},{"seq":187721,"id":"CVE-2026-40293","ts":1789365035021,"field":"cvss","old":"7.5","new":"6.5"},{"seq":187720,"id":"CVE-2026-40293","ts":1789365035021,"field":"severity","old":"high","new":"medium"},{"seq":186508,"id":"CVE-2026-40293","ts":1789363058537,"field":"cvss","old":"6.5","new":"7.5"},{"seq":186507,"id":"CVE-2026-40293","ts":1789363058537,"field":"severity","old":"medium","new":"high"},{"seq":185294,"id":"CVE-2026-40293","ts":1789360994403,"field":"cvss","old":"7.5","new":"6.5"},{"seq":185293,"id":"CVE-2026-40293","ts":1789360994403,"field":"severity","old":"high","new":"medium"},{"seq":184081,"id":"CVE-2026-40293","ts":1789357988892,"field":"cvss","old":"6.5","new":"7.5"},{"seq":184080,"id":"CVE-2026-40293","ts":1789357988892,"field":"severity","old":"medium","new":"high"},{"seq":182333,"id":"CVE-2026-40293","ts":1789354136659,"field":"cvss","old":"7.5","new":"6.5"},{"seq":182332,"id":"CVE-2026-40293","ts":1789354136659,"field":"severity","old":"high","new":"medium"},{"seq":181126,"id":"CVE-2026-40293","ts":1789352985640,"field":"cvss","old":"6.5","new":"7.5"},{"seq":181125,"id":"CVE-2026-40293","ts":1789352985640,"field":"severity","old":"medium","new":"high"},{"seq":179919,"id":"CVE-2026-40293","ts":1789350048572,"field":"cvss","old":"7.5","new":"6.5"},{"seq":179918,"id":"CVE-2026-40293","ts":1789350048572,"field":"severity","old":"high","new":"medium"},{"seq":178712,"id":"CVE-2026-40293","ts":1789347901255,"field":"cvss","old":"6.5","new":"7.5"},{"seq":178711,"id":"CVE-2026-40293","ts":1789347901255,"field":"severity","old":"medium","new":"high"},{"seq":177505,"id":"CVE-2026-40293","ts":1789346202786,"field":"cvss","old":"7.5","new":"6.5"},{"seq":177504,"id":"CVE-2026-40293","ts":1789346202786,"field":"severity","old":"high","new":"medium"},{"seq":176298,"id":"CVE-2026-40293","ts":1789342804516,"field":"cvss","old":"6.5","new":"7.5"},{"seq":176297,"id":"CVE-2026-40293","ts":1789342804516,"field":"severity","old":"medium","new":"high"},{"seq":175752,"id":"CVE-2026-40293","ts":1789338591581,"field":"cvss","old":"7.5","new":"6.5"},{"seq":175751,"id":"CVE-2026-40293","ts":1789338591581,"field":"severity","old":"high","new":"medium"},{"seq":175622,"id":"CVE-2026-40293","ts":1789338429405,"field":"cvss","old":"6.5","new":"7.5"},{"seq":175621,"id":"CVE-2026-40293","ts":1789338429405,"field":"severity","old":"medium","new":"high"},{"seq":174417,"id":"CVE-2026-40293","ts":1789334635791,"field":"cvss","old":"7.5","new":"6.5"},{"seq":174416,"id":"CVE-2026-40293","ts":1789334635791,"field":"severity","old":"high","new":"medium"},{"seq":173212,"id":"CVE-2026-40293","ts":1789333263275,"field":"cvss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