{"action":"Upgrade keystone to 27.0.2 or later.","affected":[{"fixed":"27.0.2","introduced":"14.0.0"},{"fixed":"28.0.2","introduced":"28.0.0"},{"fixed":"29.0.2","introduced":"29.0.0"}],"component":"keystone","cve_ids":["CVE-2026-42999"],"ecosystem":"PyPI","epss":0.00329,"exploited":false,"fixed_versions":["27.0.2","28.0.2","29.0.2"],"ghsa_id":"GHSA-2r23-2g6v-2m5f","id":"tcs_01M5KET4PRTDQGWVNDCKM94WFE","modified_at":"2026-09-10T03:51:04.100486004Z","published_at":"2026-05-28T21:32:02Z","references":["https://osv.dev/vulnerability/GHSA-2r23-2g6v-2m5f","https://nvd.nist.gov/vuln/detail/CVE-2026-42999","https://access.redhat.com/security/cve/CVE-2026-42999","https://bugs.launchpad.net/keystone/+bug/2148398","https://bugzilla.redhat.com/show_bug.cgi?id=2482840","https://github.com/openstack/keystone","https://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2026-600.yaml","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42999.json","https://security.openstack.org/ossa/OSSA-2026-015.html"],"severity":{"label":"medium","score":6},"sources":[{"source":"osv","source_id":"GHSA-2r23-2g6v-2m5f","url":"https://osv.dev/vulnerability/GHSA-2r23-2g6v-2m5f"}],"summary":"OpenStack Keystone has an Authorization Bypass"}