CVE-2026-67220: RabbitMQ: JMS topic exchange erl_scan atom exhaustion

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-10-21

EPSS Score

0.31% (percentile: 22.8%)

Affected Products (1)

Other

• 21829-17084

Revision History

• 2026-10-21: Information published.