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Medium RHSA-2026:45128 1 CVE

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Published Jul 29, 2026 · Updated Sep 7, 2026

Ecosystem: Red Hat

Fixed packages 1

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 rabbitmq-server4.3 0:4.3.4-0.1.hum1

Vulnerabilities 1

  • Medium 5.3
    CVE-2026-44838

    RabbitMQ MQTT Topic Permission Authorization Bypass

    RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^{client_id}-sensors$ to res…

    rabbitmq rabbitmq-server

References

  • article
    https://images.redhat.com/
  • report
    https://access.redhat.com/security/cve/CVE-2026-44838
  • article
    https://access.redhat.com/security/updates/classification/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_45128.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482208
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-44838
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-44838
  • article
    https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-x866-xp2g-cx8v