Incus has a project restriction bypass for custom volume copy across projects — GHSA-64F3-V33M-W89F

Summary

### Summary Missing authorization checks exist for custom volume copying where an attacker who knows the name of a project that they don't have access to and the name of a custom volume in that project can copy the custom volume to a new project. This issue could allow an attacker to access secrets in custom volumes they are not authorized to access. ### Details The storage volume creation handler authorizes…

Timeline

Published by source

2026-08-28

Risk context

• Reported severity or threat level: high.
• Reported CVSS score: 7.7 out of 10.
• Reported EPSS value: 0.00201.
• Review exposure for the affected product or family: go: github.com/lxc/incus/v7 | go: github.com/lxc/incus/v6 | go: github.com/lxc/incus.

Product

go: github.com/lxc/incus/v7 | go: github.com/lxc/incus/v6 | go: github.com/lxc/incus

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-64F3-V33M-W89F

Source

GitHub

Vendor

GitHub

Published by source

2026-08-28

Last source activity

2026-08-28

Additional identifiers

CVE-2026-55621

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.