Overview · canonical/lxd · GitHub
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lxd
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Security: canonical/lxd
Security
Report a vulnerability
SECURITY.md
Security policy
Supported versions
LXD has two types of releases:
Feature releases
LTS releases
For feature releases, only the latest one is supported, and we usually<br>don't do point releases. Instead, users are expected to wait until the<br>next feature release.
For LTS releases, we do periodic bugfix releases that include an<br>accumulation of bugfixes from the feature releases. Such bugfix releases<br>do not include new features.
What qualifies as a security issue
We don't consider privileged containers to be root safe, so any exploit<br>allowing someone to escape them will not qualify as a security issue.<br>This doesn't mean that we're not interested in preventing such escapes,<br>but we simply do not consider such containers to be root safe.
Unprivileged container escapes are certainly something we'd consider a<br>security issue, especially if somehow facilitated by LXD.
Reporting a vulnerability
The easiest way to report a security issue is through<br>GitHub. See<br>Privately reporting a security<br>vulnerability<br>for instructions.
The LXD GitHub admins will be notified of the issue and will work with you<br>to determine whether the issue qualifies as a security issue and, if so, in<br>which component. We will then handle figuring out a fix, getting a CVE<br>assigned and coordinating the release of the fix to the various Linux<br>distributions.
The Ubuntu Security disclosure and embargo<br>policy contains more<br>information about what you can expect when you contact us, and what we<br>expect from you.
Project restriction bypass in instance copy across projects
GHSA-qx75-2p3r-pwm5
published<br>Jun 26, 2026<br>by<br>tomponline
High
Project restriction bypass for custom volume copy across projects
GHSA-7mr3-28h5-m5vx
published<br>Jun 26, 2026<br>by<br>tomponline
High
Cross-guest volume hijack via DevLXD device patch
GHSA-hhf9-qw4v-72xp
published<br>Jun 26, 2026<br>by<br>tomponline
High
Restricted project bypass leading to arbitrary command execution
GHSA-47w9-6r3f-938g
published<br>Jun 26, 2026<br>by<br>tomponline
Critical
Arbitrary file write on host via `exec-output` symlink in crafted image
GHSA-9j25-mm2h-2f76
published<br>Jun 26, 2026<br>by<br>tomponline
Critical
Arbitrary file read+write on host via templates/ symlink in malicious image
GHSA-jpf8-86f3-wp38
published<br>Jun 26, 2026<br>by<br>tomponline
Critical
Arbitrary file read+write on host via rootfs/ symlink in malicious image
GHSA-vghh-5rfx-xhq8
published<br>Jun 26, 2026<br>by<br>tomponline
Critical
Argument injection in backup compression algorithm leading to AFW and ACE
GHSA-fmc8-p6q7-75cc
published<br>Jun 26, 2026<br>by<br>tomponline
Critical
Arbitrary file write on client due to trusted image hash
GHSA-pjff-c2wc-f6jm
published<br>Jun 26, 2026<br>by<br>tomponline
Critical
CreateCustomVolumeFromBackup nil-pointer dereference on volumes[0].snapshots[*].expires_at
GHSA-j93m-3j9p-m5m8
published<br>Jun 26, 2026<br>by<br>tomponline
Low
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