CVE-2025-8866 Missing authorization in YugabyteDB Anywhere
Unauthenticated attackers can access server networking configuration details via an unprotected API endpoint in YugabyteDB Anywhere.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8866?
CVE-2025-8866 is a medium-severity missing authorization vulnerability in YugabyteDB Anywhere, published on 11 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
YugabyteDB Anywhere web server does not properly enforce authentication for the /metamaster/universe API endpoint. An unauthenticated attacker could exploit this flaw to obtain server networking configuration details, including private and public IP addresses and DNS records.
Weakness: CWE-200
Which versions are affected by CVE-2025-8866?
How do I fix CVE-2025-8866?
No fix has been published for CVE-2025-8866 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-8866 being exploited?
There is no known exploitation of CVE-2025-8866 in the wild and no public exploit code.
Sources
Also known as GHSA-8c5j-hpjp-4fw7.