CVE-2026-108865 AmoyLab Unla through 0.10.0 OAuth2 Authentication Bypass via /authorize
Unauthenticated attackers can bypass OAuth2 authentication to obtain valid access tokens and access protected APIs and credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108865?
CVE-2026-108865 is a high-severity authentication bypass vulnerability in AmoyLab Unla, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2026-108865?
How do I fix CVE-2026-108865?
No fix has been published for CVE-2026-108865 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-108865 being exploited?
There is no known exploitation of CVE-2026-108865 in the wild and no public exploit code.
Sources
Also known as GHSA-pfxh-9349-4f24.