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PYSEC-2026-3492 OpenStack oslo.messaging does not verify RabbitMQ broker hostname during TLS handshake

🗓️ 23 Jul 2026 11:41:38Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

OpenStack oslo.messaging fails TLS hostname verification for RabbitMQ, enabling MITM with certificate validation when ssl_ca_file is set.

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23 Jul 2026 15:00Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.4
EPSS0.0016
4