CVE-2026-57216: RabbitMQ: AMQP 1.0, AMQP 0-9-1, Stream Protocol loopback enforcement can lead to remote guest sessions due to listener-address loopback checks

Overview

Severity

Medium (CVSS 6.8)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-15

EPSS Score

0.47% (percentile: 37.4%)

Affected Products (1)

Other

• 21487-17084

Revision History

• 2026-07-15: Information published.