CVE-2026-10720Medium▾ SunlitCanonical MicroCeph: path traversal issue in the remote-import AP
▾ Sunlit zone — Low / medium · no exploitation signal
impact 27.5 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 7.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
0.3%
Canonical MicroCeph versions from the squid and tentacle track are vulnerable to a path traversal issue in the remote-import API. Holders of a trusted cluster mTLS certificate (such as enrolled cluster members) or join token can manipulate files in an imported remote cluster within the /var/snap/microceph confinement. This would allow daemon disruption and pollution of the cluster state.
github.com/canonical/microceph/microceph < 0.0.0-20260609072127-5c2760d8fb76Upgrade to a patched release:
github.com/canonical/microceph/microceph 0.0.0-20260609072127-5c2760d8fb76Connected by shared product, vendor, weakness, or advisory.
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