CVE-2026-32241: Flannel vulnerable to cross-node remote code execution via extension backend BackendData injection
Overview
- Severity
- High (CVSS 7.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-03-29
- Last Updated
- 2026-04-24
- EPSS Score
- 0.24% (percentile: 46.9%)
Affected Products (3)
Other
- 21132-17084
- 20996-17084
- 21171-17086
Revision History
- 2026-03-29: Information published.
- 2026-03-30: Information published.
- 2026-03-31: Information published.
- 2026-04-08: Information published.
- 2026-04-10: Information published.
- 2026-04-24: Information published.