{"id":"CVE-2026-28229","aliases":["BIT-argo-workflows-2026-28229","GHSA-56px-hm34-xqj5","GO-2026-4678"],"url":"https://o3.security/vulnerability/CVE-2026-28229","summary":"Argo Workflows has unauthorized access to Argo Workflows Template","details":"Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to 4.0.2 and 3.7.11, Workflow templates endpoints allow any client to retrieve WorkflowTemplates (and ClusterWorkflowTemplates). Any request with a Authorization: Bearer nothing token can leak sensitive template content, including embedded Secret manifests. This vulnerability is fixed in 4.0.2 and 3.7.11.","published":"2026-03-11T15:37:47.338Z","modified":"2026-07-31T18:31:18.448783449Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/argoproj/argo-workflows/v3","fixedVersion":"3.7.11"},{"ecosystem":"Go","name":"github.com/argoproj/argo-workflows/v4","fixedVersion":"4.0.2"}],"fix":null,"references":[{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28229.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:10184"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-28229"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28229.json"},{"type":"ADVISORY","url":"https://github.com/argoproj/argo-workflows/security/advisories/GHSA-56px-hm34-xqj5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28229"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2446549"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-31T18:31:18.448783449Z"}}