LXD Cross-Project Private Image Theft via Unsanitized GetImageFromAnyProject Local Reuse

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86335
StatePUBLISHED
Assignercanonical
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-28 14:17:20 UTC
Updated2026-09-28 17:17:51 UTC
DescriptionMissing Authorization in imageDownload in Canonical LXD before 5.0.10, 5.21.8, and 6.10 on Linux allows a project-restricted client to access private images from other projects via local fingerprint reuse during image or instance import requests.

Risk And Classification

Primary CVSS: v3.1 6.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS: 0.002250000 probability, percentile 0.118370000 (date 2026-09-29)

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
3.1CNACVSS6.3MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Canonical LXD affected 5.21.0 5.21.8 semver Not specified
CNA Canonical LXD affected 6.0 6.10 semver Not specified
CNA Canonical LXD affected 4.0 5.0.10 semver Not specified

References

ReferenceSourceLinkTags
github.com/canonical/lxd/security/advisories/GHSA-j7p3-5g2v-69j8 [email protected] github.com
github.com/canonical/lxd/pull/19002 [email protected] github.com
github.com/canonical/lxd/pull/19003 [email protected] github.com
github.com/canonical/lxd/pull/19001 [email protected] github.com
github.com/canonical/lxd/pull/18987 [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Yuliang Xiao (en)

Additional Advisory Data

Solutions

CNA: Upgrade to LXD versions 5.0.10, 5.21.8, 6.10 or later.

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