CVE-2026-28385
SSRF via image import from URL allows internal network probing by authenticated users
- State
- Published
- Severity
- 5.0 Medium
- Published
- Jun 26, 2026
- Updated
- Jun 26, 2026
- Reserved
- Feb 27, 2026
Description
In Canonical LXD versions 4.12 through 6.9, a Server-Side Request Forgery (SSRF) vulnerability in the image import functionality allows authenticated users with the can_create_images entitlement to interact with internal network infrastructure via the /images endpoint. When importing an image from a URL source, the LXD daemon fails to validate or restrict outbound destination IP addresses, allowing connections to loopback, RFC1918 private ranges, and cloud metadata endpoints. This enables error-based port scanning and unauthorized interaction with internal HTTP services from the daemon's network position.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.0 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N | canonical |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
lxdCanonical |
|
References
- SSRF via image import from URL allows internal network probing by authenticated usersvdb-entryvendor-advisory
- doc: update guide to hardening security for LXDpatchissue-tracking
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