{"id":"USN-8008-1","summary":"python-keystonemiddleware vulnerability","details":"Grzegorz Grasza discovered that the Keystone Middleware incorrectly\nsanitized authentication headers before processing OAuth 2.0 tokens. An\nattacker could possibly use this issue to escalate privileges or\nimpersonate other users.","modified":"2026-02-10T04:50:49Z","published":"2026-02-03T13:06:07Z","related":["UBUNTU-CVE-2026-22797"],"upstream":["CVE-2026-22797","UBUNTU-CVE-2026-22797"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8008-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-22797"}],"affected":[{"package":{"name":"python-keystonemiddleware","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/python-keystonemiddleware@10.6.0-0ubuntu1.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.6.0-0ubuntu1.1"}]}],"versions":["10.4.1-0ubuntu1","10.5.0-0ubuntu1","10.5.0-0ubuntu2","10.6.0-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"10.6.0-0ubuntu1.1","binary_name":"python3-keystonemiddleware"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8008-1.json","cves_map":{"cves":[{"id":"CVE-2026-22797","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:24.04:LTS"}}},{"package":{"name":"python-keystonemiddleware","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/python-keystonemiddleware@10.12.0-0ubuntu1.1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.12.0-0ubuntu1.1"}]}],"versions":["10.9.0-0ubuntu1","10.11.0-0ubuntu1","10.12.0-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"10.12.0-0ubuntu1.1","binary_name":"python3-keystonemiddleware"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8008-1.json","cves_map":{"cves":[{"id":"CVE-2026-22797","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:25.10"}}}],"schema_version":"1.7.3"}