CVE-2025-66377 Missing authorization in Infinity
An attacker with local code execution on one node can disrupt other nodes due to missing authentication in an internal API.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66377?
CVE-2025-66377 is a high-severity missing authorization vulnerability in Pexip Pexip Infinity, published on 25 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an attacker (who already has access to execute code on one node within a Pexip Infinity installation) to impact the operation of other nodes within the installation.
Weakness: CWE-306
Which versions are affected by CVE-2025-66377?
It affects 1 product.
Products include Pexip Pexip Infinity.
How do I fix CVE-2025-66377?
No fix has been published for CVE-2025-66377 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-2025-66377 being exploited?
There is no known exploitation of CVE-2025-66377 in the wild and no public exploit code.
Other vulnerabilities in Pexip Pexip Infinity
Sources
Also known as GHSA-cxwj-2rvj-cg44.