CVE-2026-87799 Affecting lxd package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published29 Sept 2026
- disclosed28 Sept 2026
Introduced: 28 Sep 2026
NewCVE-2026-87799 (opens in a new tab)How to fix?
There is no fixed version for Echo:latest lxd.
NVD Description
Note: Versions mentioned in the description apply only to the upstream lxd package and not the lxd package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
Improper link resolution in the migration receive path in Canonical LXD versions 4.0 and later (fixed in 4.0.14, 5.0.10, 5.21.8 and 6.10) on Linux allows an authenticated client that can create instances or custom storage volumes in a project, or a malicious migration source server, to write attacker-controlled files to arbitrary paths on the target host as root, leading to full host compromise. The attacker does this with a crafted rsync or btrfs send stream that plants a symlink in the transferred volume, such as rootfs or root.img, and then writes through it.