CVE-2026-105570
Medium
Description
Docker Sandboxes compared OAuth token-endpoint hostnames case-sensitively when deciding whether to mask managed credential responses, while request routing treated DNS hostnames case-insensitively. Untrusted code inside a sandbox could use a case-variant hostname to reach the genuine provider endpoint while bypassing response masking. If a user completed the OAuth flow, the provider's access and refresh tokens could be returned unmasked to the sandbox, exposing host-managed credentials.
SeverityMedium
CVSS6.7
Exploit probability—
Product
Docker Sandboxes
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-178CWE-178
How to fix
Update
- docker docker_sandboxes0.47.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| docker docker_sandboxes | 0.21.0 ≤ v < 0.47.0 | 0.47.0 |
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