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    CVE-2026-63293

    A link following vulnerability in LXD allows an attacker to achieve arbitrary file read and write operations on the host system. When importing or unpacking an image archive, LXD fails to validate whether the metadata.yaml file is a symbolic link. An attacker can exploit this flaw by providing a crafted image archive with a symlinked metadata.yaml file pointing to target file paths on the host system.

    Published:Aug 12, 2026
    Last Modified:Sep 3, 2026
    EPS:Aug 12, 2026
    EPSS Score:0.00382
    CVSS Score:9.9

    Affected Products

    Vendor
    Canonical
    Product
    Lxd

    Exploits

    https://github.com/canonical/lxd/security/advisories/GHSA-j825-cg34-5fr5https://github.com/canonical/lxd/security/advisories/GHSA-j825-cg34-5fr5

    Related CVEs

    CVE-2026-66897 (CVSS 9.9) — A path traversal vulnerability in LXD's instance template processing allows an attacker with container edit pe…
    CVE-2026-16033 (CVSS 8.5) — A path traversal vulnerability in LXD allows an attacker to achieve arbitrary host file read or unconstrained …
    CVE-2026-66898 (CVSS 9.9) — A path traversal vulnerability in LXD allows an attacker to manipulate file system paths during backup import …
    CVE-2026-63294 (CVSS 9.9) — A link following vulnerability in LXD allows an attacker to achieve root command execution on the host system.…
    CVE-2026-63295 (CVSS 4.3) — An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass project-level containe…
    CVE-2026-63296 (CVSS 9.9) — An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project restric…
    CVE-2026-63297 (CVSS 9.9) — An authorization bypass vulnerability in LXD due to a timing flaw during configuration merging allows an authe…
    CVE-2026-63298 (CVSS 9.9) — An improper neutralization of special elements vulnerability in LXD's NVIDIA instance configuration handling a…
    CVE-2026-63299 (CVSS 9.9) — An authorization bypass vulnerability in LXD allows an authenticated user to bypass project-level disk and vol…
    CVE-2026-62420 (CVSS 9.9) — An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project securit…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High