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Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process. RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the obsolete GET /api/auth endpoint can disclose the OAuth 2 client secret on RabbitMQ installations configured with management.oauth_client_secret, exposing credentials to unauthenticated callers when the management plugin and that OAuth configuration are enabled. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6.
Fixed upstream in RabbitMQ 4.2.6 (commit 98b1daf740237c85941e8addcbea6e74f4a2743c). Fedora status: - rawhide (4.3.3) and f44 (4.2.9) already ship >= 4.2.6 and contain the fix. - f43 (4.0.9): the upstream 4.0.x line is EOL with no fixed 4.0.x release, so the fix has been backported onto 4.0.9. Confirmed f43 exposure: authSettings/0 emits oauth_client_secret and the /auth route serves it unauthenticated, so this build genuinely applies. Build in progress.
FEDORA-2026-548235ea3b (rabbitmq-server-4.0.9-5.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-548235ea3b
FEDORA-2026-548235ea3b has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-548235ea3b` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-548235ea3b See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-548235ea3b (rabbitmq-server-4.0.9-5.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.