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OpenAdvisories
Medium · 5.6 CVE-2026-66068 EUVD-2026-85651

RabbitMQ: Shovel DEBUG log of full state exposes decrypted URIs

Published Sep 23, 2026 · Updated Sep 24, 2026 · Assigned by GitHub_M

Description

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, ?LOG_DEBUG("shutting down Shovel '~ts', ... Shovel state: ~tp", [Name, State]) formats the entire state map. The 'uris' field holds plaintext URIs after credentials_obfuscation:decrypt (called in rabbit_shovel_util:deobfuscated_uris/2). No format_status/1,2 callback exists in rabbit_shovel_worker to redact it. Triggered when an autodelete shovel (src-delete-after = N) completes. With DEBUG logging enabled, autodelete-shovel completion writes the full shovel state map , including decrypted amqp://user:password@host/ URIs , to the broker log file. Preconditions include Shovel plugin enabled with URI-embedded credentials DEBUG log level (non-default) Autodelete shovel configuration Attacker has log read access. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0.

Affected products

VendorProductAffectedFixed
rabbitmq rabbitmq-server >= 3.13.0, < 3.13.15, >= 4.0.0, < 4.0.20, >= 4.1.0, < 4.1.11, >= 4.2.0, < 4.2.6 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 rabbitmq-server 4.3.0-2 —
Debian 13 rabbitmq-server No fix yet —
Debian 12 rabbitmq-server No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS rabbitmq-server No fix yet —
Ubuntu 24.04 LTS rabbitmq-server No fix yet —
Ubuntu 22.04 LTS rabbitmq-server No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 20.04 LTS rabbitmq-server No fix yet —
Ubuntu Pro 18.04 LTS rabbitmq-server No fix yet —
Ubuntu Pro 16.04 LTS rabbitmq-server No fix yet —
ReleasePackageFixed inAdvisory
Red Hat Hardened Images 1 rabbitmq-server4.3 4.3.6-1.hum1 RHSA-2026:67552

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 rabbitmq-server 3.13.7-10 —

Advisories 2

References