CVE-2026-50152 Ceph Monitor subscription handler improperly authorizes config-key store reads, exposing cluster secrets to read-only users

Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the Monitor subscription handler fails to properly authorize access to the configuration-key store, allowing any CephX user with only mon allow r capabilities to...

CVE-2026-50152 Ceph Monitor subscription handler improperly authorizes config-key store reads, exposing cluster secrets to read-only users

Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the Monitor subscription handler fails to properly authorize access to the configuration-key store, allowing any CephX user with only mon allow r capabilities to...

CVE-2026-50152

Ceph 's Monitor subscription handler improperly authorizes reads of the config-key store in versions prior to 20.2.4 and 19.2.6 . Any CephX user with only mon allow r permissions can send a single crafted MMonSubscribe message to read the entire store, which contains OSD LUKS disk-encryption pass...

CVE-2026-50152 Ceph Monitor subscription handler improperly authorizes config-key store reads, exposing cluster secrets to read-only users

Ceph is an open-source distributed storage platform providing object, block, and file storage. In versions prior to 20.2.4 and 19.2.6, the Monitor subscription handler fails to properly authorize access to the configuration-key store, allowing any CephX user with only mon allow r capabilities to...

PT-2026-82767

Name of the Vulnerable Software and Affected Versions Ceph versions prior to 20.2.4 Ceph versions prior to 19.2.6 Description The Monitor subscription handler fails to properly authorize access to the configuration-key store. A CephX user with mon allow r capabilities can read the entire store by...

CVE-2026-50152

A flaw was found in the MON subscription handler of Ceph, a distributed storage system. The handler does not properly authorize access to the config-key store when processing MMonSubscribe messages. Any CephX user holding mon allow r capabilities can read the entire config-key store, which contai...