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...