An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project security restrictions during cross-project instance migrations. When moving an instance cross-pr
An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project security restrictions during cross-project instance migrations. When moving an instance cross-project to a different cluster member via POST /1.0/instances/{name} with migration: true, project: <target>, and target: <member>, the destination node skips all project restriction checks because the request arrives as an internal cluster notification. An attacker can exploit this to introduce disal
Affected packages
- lxd
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://www.cve.org/CVERecord?id=CVE-2026-62420
- https://github.com/canonical/lxd/pull/18605
- https://github.com/canonical/lxd/pull/18651
- https://github.com/canonical/lxd/security/advisories/GHSA-v9wr-9r7q-fh4g
Structured record: https://ubuntu.com/security/CVE-2026-62420
Recommended response stack
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