CVE-2026-66076: RabbitMQ: Cross-vhost quorum-queue status and stream tracking disclosure

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-10-21

EPSS Score

0.26% (percentile: 16.4%)

Affected Products (1)

Other

• 21829-17084

Revision History

• 2026-10-21: Information published.