Description
Privilege Escalation in operations API in Canonical LXD <6.5 on multiple platforms allows attacker with read permissions to hijack terminal or console sessions and execute arbitrary commands via WebSocket connection hijacking format
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Canonical | LXD | 6 – < 6.5, 5.21 – < 5.21.4 | 6.5 |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | incus | 6.0.5-1 | — |
| Debian 13 | incus | 6.0.4-2+deb13u1 | DSA-6027-1 |
| Debian 13 | lxd | No fix yet | — |
| Debian 12 | lxd | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | lxd | No fix yet | — |
| Ubuntu Pro 16.04 LTS | lxd | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | govulncheck-vulndb | 0.0.20251105T184115-1.1 | openSUSE-SU-2025:15710-1 |
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | incus | 6.0.6-r0 | — |
| Alpine v3.23 | incus | 6.0.6-r0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/canonical/lxd | >= 4.0, < 5.21.4 | 5.21.4 | GHSA-3g72-chj4-2228 |
| Go | github.com/canonical/lxd | >= 6.0, < 6.5 | 6.5 | GHSA-3g72-chj4-2228 |
| Go | github.com/canonical/lxd | >= 0.0.0-20200331193331-03aab09f5b5c, < 0.0.0-20250827065555-0494f5d47e41 | 0.0.0-20250827065555-0494f5d47e41 | GHSA-3g72-chj4-2228 |
| Go | github.com/canonical/lxd | all versions | — | GO-2025-3999 |
Advisories 3
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026
- openSUSE-SU-2025:15710-1 govulncheck-vulndb-0.0.20251105T184115-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-6027-1 incus - security update Debian Security (DSA / DLA) · Oct 17, 2025