CVE-2025-66377: Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an…
CVE-2025-66377 · Severity: high · CVSS 7.5 · Published 2025-12-25
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-66377 being exploited in the wild.
How severe is CVE-2025-66377?
High severity, with a CVSS score of 7.5, published 25 December 2025.
Which products and versions are affected?
Pexip Infinity. The advisory does not name versions.
Is there a fix for CVE-2025-66377?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-66377?
Check whether you run Pexip Infinity. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.