Go/go.etcd.io/etcd/v3 CVE-2026-33343: unknown 0, EPSS 0.27%
etcd: Nested etcd transactions bypass RBAC authorization checks
Action: Upgrade go.etcd.io/etcd/v3 to 3.4.42 or later.
go get go.etcd.io/etcd/v3@v3.6.9go get go.etcd.io/etcd/v3@v3.5.28go get go.etcd.io/etcd/v3@v3.4.42Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.6.0-alpha.0 | 3.6.9 | - |
| 3.5.0-alpha.0 | 3.5.28 | - |
| 0 | 3.4.42 | - |
Fixed versions
| 3.6.9 | 3.5.28 | 3.4.42 |
Sources
- osv: 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
CVE-2026-33343 · published · modified · JSON