hacker-news Jul 14, 2026 · Crawled Jul 14, 2026

RabbitMQ Flaws Could Leak OAuth Secrets and Expose Cross-Tenant Queue Metadata

2 CVEs

AI Summary

Two critical vulnerabilities in RabbitMQ, CVE-2026-57219 and CVE-2026-57221, could allow unauthenticated attackers to leak OAuth client secrets and enable authenticated users to bypass tenant boundaries by accessing cross-tenant queue metadata. The flaws, present since early 2024, affect RabbitMQ versions 3.13.0 and later and have been patched in recent releases. CVE-2026-57219 exposes a misconfigured HTTP API endpoint that leaks sensitive OAuth secrets, posing high risk in cloud or multi-tenant environments with exposed management interfaces.

AI-extracted · verify before operational use

Extracted Entities 2 found

CVE CVE-2026-57219 → CVE CVE-2026-57221 →

MITRE ATT&CK TTPs 5 techniques

T1059.001 PowerShell · Execution T1068 Exploitation for Privilege Escalation · Privilege Escalation T1078 Valid Accounts · Defense Evasion T1133 External Remote Services · Persistence T1484 Domain or Tenant Policy Modification · Defense Evasion