CVE-2026-108865
High
Description
AmoyLab Unla through 0.10.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid access tokens because the OAuth2 server never authenticates a resource owner. Attackers can register a client, request a code from /authorize, and exchange it at /token to access OAuth2-protected MCP prefixes, proxied upstream APIs and injected credentials.
SeverityHigh
CVSS8.2
Exploit probability—
ProductUnla
PublishedOct 11, 2026
First seenOct 11, 2026
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| AmoyLab Unla | v ≤ 0.10.0 | — |
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