CVE-2026-33413: etcd: Authorization bypasses in multiple APIs

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Mar

Released

2026-03-28

Last Updated

2026-03-31

EPSS Score

0.06% (percentile: 18.0%)

Affected Products (2)

Open Source Software

• cbl2 etcd 3.5.21-4 on CBL Mariner 2.0

Mariner

• azl3 etcd 3.5.21-1 on Azure Linux 3.0

Revision History

• 2026-03-28: Information published.
• 2026-03-28: Information published.
• 2026-03-31: Information published.