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OpenStack oslo.messaging does not verify RabbitMQ broker hostname during TLS handshake

🗓️ 04 Jun 2026 18:30:31Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 16 Views

OpenStack oslo.messaging TLS hostname not verified for RabbitMQ 1.0.0–17.3.0, even with ssl_ca_file.

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Detection
Refs
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attackerkb
ATTACKERKB
CVE-2026-44393
4 Jun 202600:00
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4 Jun 202600:00
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CVE-2026-44393
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4 Jun 202600:00
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debiancve
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4 Jun 202600:00
debiancve
euvd
EUVD
EUVD-2026-34294
4 Jun 202600:00
euvd
nvd
NVD
CVE-2026-44393
4 Jun 202616:16
nvd
osv
OSV
CGA-236H-JMPX-GJGM
16 Jul 202612:09
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OSV
CGA-268Q-H65X-6M7C
16 Jul 202612:50
osv
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OSV
CGA-26C4-P4PV-4QGX
16 Jul 202613:14
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Vulners
Node
oslo.messagingRange1.0.017.3.0pip

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15 Jul 2026 22:30Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.4
EPSS0.00172
SSVC
16