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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👁 22 Views

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

Related
Detection
Refs
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attackerkb
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CVE-2026-44393
4 Jun 202600:00
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2 Oct 202602:55
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cnnvd
CNNVD
OpenStack oslo.messaging 加密问题漏洞
4 Jun 202600:00
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cve
CVE
CVE-2026-44393
4 Jun 202600:00
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cvelist
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4 Jun 202600:00
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debiancve
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CVE-2026-44393
4 Jun 202600:00
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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
–osv
osv
OSV
CGA-243W-CQ7C-M5P9
30 Sep 202615:02
–osv
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Vulners
Node
oslo.messagingRange1.0.0–17.3.0pip

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15 Jul 2026 22:30Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.4
EPSS0.00281
SSVC
22