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RabbitMQ maintainers security patch release for CVE-2026-57219

Security Patch Release
First reported
Last updated
Happening score
H score 29
1 unique sources, 1 articles

Summary

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RabbitMQ maintainers released fixed versions for multiple supported release lines, closing two access-control flaws that could expose OAuth client secrets and cross-tenant messaging data. The patch set addresses CVE-2026-57219 and CVE-2026-57221 in releases from 3.13.0 and later.

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Timeline

  1. 14.07.2026 16:48 2 articles · 14d ago

    Miggo discloses RabbitMQ access-control flaws

    Initial Disclosure

    Miggo disclosed two RabbitMQ access-control flaws, CVE-2026-57219 and CVE-2026-57221, that can leak the broker's OAuth client secret or let authenticated users bypass tenant boundaries and enumerate queue metadata. The flaws affected RabbitMQ release lines from 3.13.0 and later, and RabbitMQ maintainers have addressed them in versions 4.3.0, 4.2.6, 4.1.11, 4.0.20, and 3.13.15. There was no evidence of active exploitation before public disclosure.

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