CVE-2026-28385
SSRF via image import from URL allows internal network probing by authenticated users
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.
INFO
Published Date :
June 26, 2026, 4:23 p.m.
Last Modified :
June 26, 2026, 4:23 p.m.
Remotely Exploit :
Yes !
Source :
canonical
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | cc1ad9ee-3454-478d-9317-d3e869d708bc | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update LXD to a non-vulnerable version.
- Restrict image import from untrusted URLs.
- Implement network egress filtering.
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