{"id":"UBUNTU-CVE-2026-104988","details":"A flaw was found in Dogtag PKI (pki-core). The CMCAuthForEST authentication plugin fails open when an EST fullcmc enrollment request is submitted via BasicAuth without an end-user TLS client certificate. The SSL_CLIENT_CERT session attribute retains the EST subsystem's agent certificate, which causes downstream authorization checks to treat the request as agent-privileged. An authenticated EST user can exploit this to obtain CA-signed certificates with arbitrary subject names.","modified":"2026-10-05T13:04:11.951772619Z","published":"2026-10-05T00:00:00Z","upstream":["CVE-2026-104988"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-104988"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-104988"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-104988"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2545316"}],"affected":[{"package":{"name":"dogtag-pki","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/dogtag-pki?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.2.6-1","10.2.6-2","10.2.6-3","10.2.6+git20160317-1","10.2.6+git20160317-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"dogtag-pki","binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1"},{"binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1","binary_name":"dogtag-pki-console-theme"},{"binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1","binary_name":"dogtag-pki-server-theme"},{"binary_name":"libsymkey-java","binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1"},{"binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1","binary_name":"libsymkey-jni"},{"binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1","binary_name":"pki-base"},{"binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1","binary_name":"pki-ca"},{"binary_name":"pki-console","binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1"},{"binary_name":"pki-javadoc","binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1"},{"binary_name":"pki-kra","binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1"},{"binary_name":"pki-ocsp","binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1"},{"binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1","binary_name":"pki-server"},{"binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1","binary_name":"pki-tks"},{"binary_name":"pki-tools","binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1"},{"binary_name":"pki-tps","binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1"},{"binary_version":"10.2.6+git20160317-1ubuntu0.1~esm1","binary_name":"pki-tps-client"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-104988.json"}},{"package":{"name":"dogtag-pki","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/dogtag-pki?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.3.5+12-4ubuntu1","10.3.5+12-5","10.5.3-3","10.5.3-4","10.5.5-1","10.6.0~beta2-3","10.6.0-1ubuntu1","10.6.0-1ubuntu2","10.6.0-1ubuntu2+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"10.6.0-1ubuntu2+esm1","binary_name":"dogtag-pki"},{"binary_name":"dogtag-pki-console-theme","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"dogtag-pki-server-theme","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"libsymkey-java","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"libsymkey-jni","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"pki-base","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"pki-base-java","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"pki-ca","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"pki-console","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_version":"10.6.0-1ubuntu2+esm1","binary_name":"pki-javadoc"},{"binary_name":"pki-kra","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"pki-ocsp","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"pki-server","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"pki-tks","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_version":"10.6.0-1ubuntu2+esm1","binary_name":"pki-tools"},{"binary_name":"pki-tps","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_name":"pki-tps-client","binary_version":"10.6.0-1ubuntu2+esm1"},{"binary_version":"10.6.0-1ubuntu2+esm1","binary_name":"python3-pki-base"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-104988.json"}},{"package":{"name":"dogtag-pki","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/dogtag-pki?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.7.3-4","10.8.3-1ubuntu1","10.8.3-1ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"10.8.3-1ubuntu1+esm1","binary_name":"dogtag-pki"},{"binary_name":"dogtag-pki-console-theme","binary_version":"10.8.3-1ubuntu1+esm1"},{"binary_version":"10.8.3-1ubuntu1+esm1","binary_name":"dogtag-pki-server-theme"},{"binary_version":"10.8.3-1ubuntu1+esm1","binary_name":"libsymkey-java"},{"binary_version":"10.8.3-1ubuntu1+esm1","binary_name":"libsymkey-jni"},{"binary_version":"10.8.3-1ubuntu1+esm1","binary_name":"pki-base"},{"binary_name":"pki-base-java","binary_version":"10.8.3-1ubuntu1+esm1"},{"binary_name":"pki-ca","binary_version":"10.8.3-1ubuntu1+esm1"},{"binary_name":"pki-console","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