{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"1.0.0","last_affected":"17.3.0"}],"component":"oslo-messaging","cve_ids":["CVE-2026-44393"],"ecosystem":"PyPI","epss":0.00172,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-76qh-xr7q-h39m","id":"tcs_01M5KH5MJZF6W1X1N53H1HQ92W","modified_at":"2026-07-28T09:15:10.483381962Z","published_at":"2026-07-23T11:41:38.572568Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3492","https://nvd.nist.gov/vuln/detail/CVE-2026-44393","https://access.redhat.com/security/cve/CVE-2026-44393","https://bugs.launchpad.net/oslo.messaging/+bug/2150316","https://bugzilla.redhat.com/show_bug.cgi?id=2484835","https://github.com/openstack/oslo.messaging","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44393.json","https://wiki.openstack.org/wiki/OSSN/OSSN-0096","https://pypi.org/project/oslo-messaging","https://github.com/advisories/GHSA-76qh-xr7q-h39m"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"PYSEC-2026-3492","url":"https://osv.dev/vulnerability/PYSEC-2026-3492"}],"summary":"OpenStack oslo.messaging does not verify RabbitMQ broker hostname during TLS handshake"}