Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Canonical | Microceph | 19.2.1+snap74c0060321 – < 19.2.3+snapcf306793a4, 20.0.0 – < 20.2.0+snapbe4e67380e | 19.2.3+snapcf306793a4 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/canonical/microceph/microceph | < 0.0.0-20260609072127-5c2760d8fb76 | 0.0.0-20260609072127-5c2760d8fb76 | GHSA-xg3j-c7q4-f9ph |
Advisories 1
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026