ceph: Ceph is an open-source distributed storage platform providing object, block, and file storage
CVE-2026-50152 is fixed in ceph on 1 platform by DEBIAN-CVE-2026-50152 (version 20.2.4+ds-1), released August 31, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
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 read the entire store by sending a single crafted MMonSubscribe message. The config-key store holds sensitive secrets including OSD LUKS disk-encryption passphrases and, on cephadm-managed clusters, the SSH private key that cephadm uses to reach every host in the cluster. Because that key grants root on every node under the default cephadm configuration, a low-privileged read-only account can escalate to full cluster and host compromise. This issue is fixed in versions 20.2.4 and 19.2.6
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ceph · Debian 14 | 20.2.4+ds-1 | DEBIAN-CVE-2026-50152 | Aug 31, 2026 |
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