{"id":"USN-8854-1","summary":"keystone vulnerabilities","details":"Grzegorz Grasza discovered that OpenStack Keystone did not consistently\nenforce restrictions for delegated authentication tokens. An authenticated\nattacker could possibly use this issue to create credentials or delegations\n that outlasted the delegated token. (CVE-2026-80182)\n\nIt was discovered that OpenStack Keystone incorrectly handled role\nassignment queries under certain circumstances. An authenticated attacker\ncould possibly use this issue to obtain sensitive information. This\nissue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04\nLTS, and Ubuntu 26.04 LTS. (CVE-2026-80183)\n\nTim Shephard discovered that OpenStack Keystone did not properly\nrestrict reauthentication using delegated tokens. An authenticated\nattacker could possibly use this issue to escape their intended\nproject scope and obtain unauthorized access. (CVE-2026-80184)","modified":"2026-10-01T00:28:54.907164289Z","published":"2026-09-30T13:07:45Z","related":["UBUNTU-CVE-2026-80182","UBUNTU-CVE-2026-80183","UBUNTU-CVE-2026-80184"],"upstream":["CVE-2026-80182","CVE-2026-80183","CVE-2026-80184","UBUNTU-CVE-2026-80182","UBUNTU-CVE-2026-80183","UBUNTU-CVE-2026-80184"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8854-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-80182"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-80183"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-80184"}],"affected":[{"package":{"name":"keystone","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/keystone?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.3.0-0ubuntu3.2+esm2"}]}],"versions":["2:8.0.0-0ubuntu1","2:9.0.0~b1-0ubuntu1","2:9.0.0~b2-0ubuntu1","2:9.0.0~b3-0ubuntu1","2:9.0.0~rc1-0ubuntu1","2:9.0.0-0ubuntu1","2:9.0.2-0ubuntu1","2:9.0.2-0ubuntu2","2:9.1.0-0ubuntu1","2:9.2.0-0ubuntu1","2:9.3.0-0ubuntu1","2:9.3.0-0ubuntu2","2:9.3.0-0ubuntu3","2:9.3.0-0ubuntu3.1","2:9.3.0-0ubuntu3.2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"2:9.3.0-0ubuntu3.2+esm2","binary_name":"keystone"},{"binary_name":"python-keystone","binary_version":"2:9.3.0-0ubuntu3.2+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8854-1.json","cves_map":{"cves":[{"id":"CVE-2026-80182","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-80184","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"keystone","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/keystone?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:13.0.4-0ubuntu1+esm1"}]}],"versions":["2:12.0.0-0ubuntu1","2:13.0.0~b1-0ubuntu1","2:13.0.0~b2-0ubuntu1","2:13.0.0~b3-0ubuntu1","2:13.0.0~rc1-0ubuntu1","2:13.0.0~rc2-0ubuntu1","2:13.0.0-0ubuntu1","2:13.0.1-0ubuntu1","2:13.0.2-0ubuntu1","2:13.0.2-0ubuntu3","2:13.0.4-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2:13.0.4-0ubuntu1+esm1","binary_name":"keystone"},{"binary_version":"2:13.0.4-0ubuntu1+esm1","binary_name":"python-keystone"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8854-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-80182"},{"id":"CVE-2026-80184","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"keystone","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/keystone?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:17.0.1-0ubuntu2+esm2"}]}],"versions":["2:16.0.0-0ubuntu1","2:17.0.0~b1~git2019121613.db81fee63-0ubuntu1","2:17.0.0~b2~git2020020513.99733f172-0ubuntu1","2:17.0.0~b3~git2020032415.9f9040257-0ubuntu1","2:17.0.0~b3~git2020032415.9f9040257-0ubuntu2","2:17.0.0~b3~git2020041013.7bb6314e4-0ubuntu1","2:17.0.0-0ubuntu0.20.04.1","2:17.0.1-0ubuntu1","2:17.0.1-0ubuntu2","2:17.0.1-0ubuntu2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"keystone","binary_version":"2:17.0.1-0ubuntu2+esm2"},{"binary_name":"keystone-common","binary_version":"2:17.0.1-0ubuntu2+esm2"},{"binary_version":"2:17.0.1-0ubuntu2+esm2","binary_name":"python3-keystone"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-80182"},{"id":"CVE-2026-80183","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N","type":"CVSS_V4"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-80184"}],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8854-1.json"}},{"package":{"name":"keystone","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/keystone?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:21.0.1-0ubuntu2.6"}]}],"versions":["2:20.0.0-0ubuntu1","2:20.0.0+git2021120815.2ddf8f321-0ubuntu1","2:20.0.0+git2022011217.771c943ad-0ubuntu1","2:20.0.0+git2022030313.a3fc9e7c3-0ubuntu1","2:21.0.0-0ubuntu1","2:21.0.1-0ubuntu1","2:21.0.1-0ubuntu2","2:21.0.1-0ubuntu2.1","2:21.0.1-0ubuntu2.2","2:21.0.1-0ubuntu2.4"],"ecosystem_specific":{"binaries":[{"binary_name":"keystone","binary_version":"2:21.0.1-0ubuntu2.6"},{"binary_name":"keystone-common","binary_version":"2:21.0.1-0ubuntu2.6"},{"binary_version":"2:21.0.1-0ubuntu2.6","binary_name":"python3-keystone"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2026-80182","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-80183","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-80184"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8854-1.json"}},{"package":{"name":"keystone","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/keystone?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:25.0.0-0ubuntu1.6"}]}],"versions":["2:24.0.0-0ubuntu1","2:24.0.0+git2024011916.adfa92b4-0ubuntu1","2:25.0.0~rc1-0ubuntu1","2:25.0.0-0ubuntu1","2:25.0.0-0ubuntu1.1","2:25.0.0-0ubuntu1.2","2:25.0.0-0ubuntu1.4"],"ecosystem_specific":{"availability":"No 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