CVE-2026-85526
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Path traversal via Btrfs optimized-backup subvolumes[].path enables root file/dir manipulation in LXD
Path traversal in the Btrfs storage driver (unpackVolume) in Canonical LXD on Linux allows an authenticated user with instance creation privileges to delete or replace arbitrary files and directories on the host filesystem as root via a crafted subvolumes[].path entry in backup/optimized_header.yaml during a btrfs optimized backup import.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
LXD
- Vendor
- Canonical
- Product
- LXD
- Platforms
- Linux
- Default status
unaffected- Package
- LXD
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.0.0 | affected | semver | 4.0.14 | Unavailable | None listed |
| 5.0.0 | affected | semver | 5.0.10 | Unavailable | None listed |
| 5.21.0 | affected | semver | 5.21.8 | Unavailable | None listed |
| 6.0 | affected | semver | 6.10 | Unavailable | None listed |