{"id":"UBUNTU-CVE-2026-115642","details":"In OpenStack keystonemiddleware before 13.0.2, by supplying a custom X-Service-Token header in a request, anyone in possession of an access-restricted application credential may bypass those restrictions resulting in elevation of privileges.","modified":"2026-11-04T03:30:23.693908212Z","published":"2026-11-03T00:00:00Z","upstream":["CVE-2026-115642"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-115642"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-115642"},{"type":"REPORT","url":"https://security.openstack.org/ossa/OSSA-2026-050.html"},{"type":"REPORT","url":"https://bugs.launchpad.net/keystonemiddleware/+bug/2162748"},{"type":"REPORT","url":"https://github.com/openstack/keystonemiddleware/tags"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2026/10/29/2"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2026/10/29/2"}],"affected":[{"package":{"name":"python-keystonemiddleware","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python-keystonemiddleware?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.0-1","2.3.0-3","4.0.0-1","4.4.0-2","4.4.0-3","4.4.1-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.4.1-0ubuntu1","binary_name":"python-keystonemiddleware"},{"binary_name":"python3-keystonemiddleware","binary_version":"4.4.1-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115642.json"}},{"package":{"name":"python-keystonemiddleware","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/python-keystonemiddleware?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.17.0-0ubuntu1","4.18.0-0ubuntu1","4.21.0-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"python-keystonemiddleware","binary_version":"4.21.0-0ubuntu1"},{"binary_version":"4.21.0-0ubuntu1","binary_name":"python3-keystonemiddleware"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115642.json"}},{"package":{"name":"python-keystonemiddleware","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/python-keystonemiddleware?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0.1-0ubuntu1","8.0.0-0ubuntu1","9.0.0-0ubuntu1","9.0.0-0ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-keystonemiddleware","binary_version":"9.0.0-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115642.json"}},{"package":{"name":"python-keystonemiddleware","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/python-keystonemiddleware?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.3.0-0ubuntu1","9.4.0-0ubuntu1","9.4.0-0ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-keystonemiddleware","binary_version":"9.4.0-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115642.json"}},{"package":{"name":"python-keystonemiddleware","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/python-keystonemiddleware?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.4.1-0ubuntu1","10.5.0-0ubuntu1","10.5.0-0ubuntu2","10.6.0-0ubuntu1","10.6.0-0ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-keystonemiddleware","binary_version":"10.6.0-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115642.json"}},{"package":{"name":"python-keystonemiddleware","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/python-keystonemiddleware?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["12.0.0-1","12.0.0-2","13.0.0+git20260701.1.65bd808-0ubuntu1","13.0.1-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-keystonemiddleware","binary_version":"13.0.1-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115642.json"}},{"package":{"name":"python-keystonemiddleware","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/python-keystonemiddleware?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.12.0-0ubuntu1","11.0.0-0ubuntu1","12.0.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"12.0.0-1","binary_name":"python3-keystonemiddleware"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115642.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L"},{"type":"Ubuntu","score":"medium"}]}