{"id":"UBUNTU-CVE-2026-13097","details":"A privilege escalation flaw was found in FreeIPA. The uniqueness constraint enforced on Kerberos principal name attributes in the 389-ds directory server does not properly account for equivalent representations of the same principal name, allowing a user with sufficient LDAP write privileges to create a service principal that impersonates an existing privileged one. This can lead to unauthorized acquisition of Kerberos service tickets for sensitive services, potentially resulting in full domain compromise.","modified":"2026-09-02T19:35:28.222863386Z","published":"2026-08-20T11:16:00Z","upstream":["CVE-2026-13097"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-13097"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-13097"}],"affected":[{"package":{"name":"freeipa","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/freeipa?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.1-0ubuntu1","3.3.4-0ubuntu1","3.3.4-0ubuntu2","3.3.4-0ubuntu3","3.3.4-0ubuntu3.1","3.3.4-0ubuntu3.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"freeipa-client","binary_version":"3.3.4-0ubuntu3.1+esm1"},{"binary_name":"python-freeipa","binary_version":"3.3.4-0ubuntu3.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13097.json"}},{"package":{"name":"freeipa","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/freeipa?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.4-1","4.3.1-0ubuntu1","4.3.1-0ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"freeipa-admintools","binary_version":"4.3.1-0ubuntu1+esm1"},{"binary_version":"4.3.1-0ubuntu1+esm1","binary_name":"freeipa-client"},{"binary_name":"freeipa-common","binary_version":"4.3.1-0ubuntu1+esm1"},{"binary_name":"freeipa-server","binary_version":"4.3.1-0ubuntu1+esm1"},{"binary_version":"4.3.1-0ubuntu1+esm1","binary_name":"freeipa-server-dns"},{"binary_name":"freeipa-server-trust-ad","binary_version":"4.3.1-0ubuntu1+esm1"},{"binary_name":"freeipa-tests","binary_version":"4.3.1-0ubuntu1+esm1"},{"binary_name":"python-ipaclient","binary_version":"4.3.1-0ubuntu1+esm1"},{"binary_name":"python-ipalib","binary_version":"4.3.1-0ubuntu1+esm1"},{"binary_name":"python-ipaserver","binary_version":"4.3.1-0ubuntu1+esm1"},{"binary_version":"4.3.1-0ubuntu1+esm1","binary_name":"python-ipatests"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13097.json"}},{"package":{"name":"freeipa","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/freeipa?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.4-3ubuntu1","4.4.4-4","4.7.0~pre1+git20180411-2ubuntu1","4.7.0~pre1+git20180411-2ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"freeipa-admintools","binary_version":"4.7.0~pre1+git20180411-2ubuntu2"},{"binary_version":"4.7.0~pre1+git20180411-2ubuntu2","binary_name":"freeipa-client"},{"binary_name":"freeipa-common","binary_version":"4.7.0~pre1+git20180411-2ubuntu2"},{"binary_name":"freeipa-server","binary_version":"4.7.0~pre1+git20180411-2ubuntu2"},{"binary_version":"4.7.0~pre1+git20180411-2ubuntu2","binary_name":"freeipa-server-dns"},{"binary_version":"4.7.0~pre1+git20180411-2ubuntu2","binary_name":"freeipa-server-trust-ad"},{"binary_name":"freeipa-tests","binary_version":"4.7.0~pre1+git20180411-2ubuntu2"},{"binary_version":"4.7.0~pre1+git20180411-2ubuntu2","binary_name":"python-ipaclient"},{"binary_name":"python-ipalib","binary_version":"4.7.0~pre1+git20180411-2ubuntu2"},{"binary_name":"python-ipaserver","binary_version":"4.7.0~pre1+git20180411-2ubuntu2"},{"binary_name":"python-ipatests","binary_version":"4.7.0~pre1+git20180411-2ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13097.json"}},{"package":{"name":"freeipa","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/freeipa?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.1-2ubuntu1","4.8.3-1","4.8.6-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"freeipa-client","binary_version":"4.8.6-1ubuntu2"},{"binary_name":"freeipa-client-samba","binary_version":"4.8.6-1ubuntu2"},{"binary_name":"freeipa-common","binary_version":"4.8.6-1ubuntu2"},{"binary_name":"python3-ipaclient","binary_version":"4.8.6-1ubuntu2"},{"binary_version":"4.8.6-1ubuntu2","binary_name":"python3-ipalib"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-13097.json"}},{"package":{"name":"freeipa","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/freeipa?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.6-1ubuntu6","4.8.6-1ubuntu8","4.8.6-1ubuntu9","4.9.8-1"],"ecosystem_specific":{"binaries":[{"binary_name":"freeipa-client","binary_version":"4.9.8-1"},{"binary_name":"freeipa-client-epn","binary_version":"4.9.8-1"},{"binary_name":"freeipa-client-samba","binary_version":"4.9.8-1"},{"binary_name":"freeipa-common","binary_version":"4.9.8-1"},{"binary_name":"python3-ipaclient","binary_version":"4.9.8-1"},{"binary_version":"4.9.8-1","binary_name":"python3-ipal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