{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"3.3.27"}],"component":"go.etcd.io/etcd","cve_ids":["CVE-2026-33343"],"ecosystem":"Go","epss":0.00219,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-rfx7-8w68-q57q","id":"tcs_01M5KFMM9AXWG1HYFZFKS2929J","modified_at":"2026-09-10T03:50:40.913985532Z","published_at":"2026-03-20T20:34:44Z","references":["https://osv.dev/vulnerability/GHSA-rfx7-8w68-q57q","https://github.com/etcd-io/etcd/security/advisories/GHSA-rfx7-8w68-q57q","https://nvd.nist.gov/vuln/detail/CVE-2026-33343","https://github.com/etcd-io/etcd"],"severity":{"label":"unknown","score":0},"sources":[{"source":"osv","source_id":"GHSA-rfx7-8w68-q57q#Go/go.etcd.io/etcd","url":"https://osv.dev/vulnerability/GHSA-rfx7-8w68-q57q"}],"summary":"etcd: Nested etcd transactions bypass RBAC authorization checks"}