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CVE-2026-44393

A flaw was found in OpenStack oslo.messaging. The RabbitMQ driver does not properly verify the hostname of the message broker when establishing a TLS (Transport Layer Security) connection. An attacker capable of intercepting control-plane network traffic can exploit this vulnerability to impersonate the RabbitMQ broker. This allows the attacker to perform a man-in-the-middle attack, potentially leading to the disclosure or manipulation of sensitive RPC (Remote Procedure Call) and notification tr
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c1e701078730294390a29d382825c0ea462d3cec1168fc4c15b7c027c3292528
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:18.0"],"defaultStatus":"affected","packageName":"python-oslo-messaging","product":"Red Hat OpenStack Platform 18.0","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:16.2"],"defaultStatus":"affected","packageName":"python-oslo-messaging","product":"Red Hat OpenStack Platform 16.2","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:17.1"],"defaultStatus":"affected","packageName":"python-oslo-messaging","product":"Red Hat OpenStack Platform 17.1","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"python-oslo-messaging","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/affected/0

{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/cna/affected/0
cwe · 3 assertions

{"cweId":"CWE-297","description":"CWE-297 Improper Validation of Certificate with Host Mismatch","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-295","description":"Improper Certificate Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

5 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:18.0"],"defaultStatus":"affected","packageName":"python-oslo-messaging","product":"Red Hat OpenStack Platform 18.0","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:16.2"],"defaultStatus":"affected","packageName":"python-oslo-messaging","product":"Red Hat OpenStack Platform 16.2","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:17.1"],"defaultStatus":"affected","packageName":"python-oslo-messaging","product":"Red Hat OpenStack Platform 17.1","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"python-oslo-messaging","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/affected/0
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/0/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-297","description":"CWE-297 Improper Validation of Certificate with Host Mismatch","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-295","description":"Improper Certificate Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-44393"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/references/0
{"url":"https://bugs.launchpad.net/oslo.messaging/+bug/2150316"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/cna/references/0
{"name":"RHBZ#2484835","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2484835"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/references/1
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44393.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/adp/1/references/2
{"url":"https://wiki.openstack.org/wiki/OSSN/OSSN-0096"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7016490e7d309861a7c47225127898369851301131eaed67c0482c78a4fe0d8a · sha256:e566c6c61e74902d… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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