CVE-2026-112816
Improper certificate validation in the HTTPS listener in LXD
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Improper certificate validation in the HTTPS listener in Canonical LXD 4.0.14, 5.0.10, 5.21.8, 6.9 before 4.0.15, 5.0.11, 5.21.9, 6.10.1 allows an unauthenticated attacker to authenticate as any trusted client and gain full access to the cluster and managed virtual machines via a crafted certificate chain.
| CWE | CWE-295 |
| Vendor | canonical |
| Product | lxd |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 30, 2026 |
| Last Updated | Oct 30, 2026 |
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Affected Versions
Canonical / LXD
4.0.14 < 4.0.15 5.0.10 < 5.0.11 5.21.8 < 5.21.9 6.9.0 < 6.10.1
References
github.com: https://github.com/canonical/lxd/security/advisories/GHSA-99jp-jwmc-65p4 discourse.ubuntu.com: https://discourse.ubuntu.com/t/security-advisory-critical-vulnerability-found-in-canonical-lxd-and-microcloud/90557 discourse.ubuntu.com: https://discourse.ubuntu.com/t/lxd-6-10-1-lts-has-been-released/90024 discourse.ubuntu.com: https://discourse.ubuntu.com/t/lxd-5-21-9-lts-has-been-released/90565/1 discourse.ubuntu.com: https://discourse.ubuntu.com/t/lxd-5-0-11-lts-has-been-released/90570/1 discourse.ubuntu.com: https://discourse.ubuntu.com/t/lxd-4-0-15-lts-has-been-released/90571
Credits
🔍 Stéphane Graber