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CVE-2026-66076

RabbitMQ: Cross-vhost quorum-queue status and stream tracking disclosure PUBLISHED

Description (CNA)

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, is_authorized/2 calls rabbit_mgmt_util:is_authorized/2, which checks only the management tag, instead of is_authorized_vhost/2. The /api/queues/quorum/:vhost/:queue/status handler reads the vhost from the path without checking that the user can access it. Any management-tagged user can therefore read Raft status, including leader, members, term, and commit index, for quorum queues in inaccessible vhosts, exposing cross-tenant queue names and cluster topology. The management plugin must be enabled and the attacker must have a management tag. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0.

Affected (CNA)

Vendor / productVersions
rabbitmq / rabbitmq-serveraffected >= 3.13.0, < 3.13.15; affected >= 4.0.0, < 4.0.20; affected >= 4.1.0, < 4.1.11; affected >= 4.2.0, < 4.2.6

CWE

CWE-862

References

ADP enrichment

CISA-ADP

No English description supplied.