CVE-2025-54290 Project Existence Disclosure via Error Handling in LXD Image Export
Unauthenticated attackers can determine the existence of specific projects in LXD by exploiting error handling in the image export API.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-54290?
CVE-2025-54290 is a medium-severity vulnerability in Canonical LXD, published on 2 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Information disclosure in image export API in Canonical LXD before 6.5 and 5.21.4 on Linux allows network attackers to determine project existence without authentication via crafted requests using wildcard fingerprints.
Weakness: CWE-200
Which versions are affected by CVE-2025-54290?
7 open source packages ship an affected version, including github.com/canonical/lxd. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/canonical/lxd Go | From 0.0.0-20200331193331-03aab09f5b5c | 0.0.0-20250827065555-0494f5d47e41 |
github.com/canonical/lxd Go | From 0.0.0-20200331193331-03aab09f5b5c | 0.0.0-20250827065555-0494f5d47e41 |
github.com/canonical/lxd Go | From 0.0.0-20200331193331-03aab09f5b5c | 0.0.0-20250827065555-0494f5d47e41 |
github.com/canonical/lxd Go | From 4.0 | 5.21.4 |
github.com/canonical/lxd Go | From 4.0 | 5.21.4 |
github.com/canonical/lxd Go | From 6.0 | 6.5 |
1 more packages
github.com/canonical/lxd Go | From 6.0 | 6.5 |
Products include Canonical Lxd.
How do I fix CVE-2025-54290?
Upgrade github.com/canonical/lxd to a fixed version for your release line: 0.0.0-20250827065555-0494f5d47e41, 5.21.4 or 6.5.
Is CVE-2025-54290 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-54290 exists.
Other vulnerabilities in Canonical LXD
- CVE-2026-66897 Instance template path traversal allows arbitrary host file write as root
- CVE-2026-62420 Cross-project cluster migration bypasses project restrictions via cluster notification flag
- CVE-2026-63293 Arbitrary File Read/Write: metadata.yaml symlink in image allows host filesystem access as root
- CVE-2026-63294 Root RCE via image backup.yaml symlink
- CVE-2026-63296 Project restriction bypass via instance migration config override
Sources
Also known as DEBIAN-CVE-2025-54290, GHSA-p3x5-mvmp-5f35, GO-2025-4002.