---
id: CVE-2025-66378
title: >-
  Pexip Infinity 38.0 and 38.1 before 39.0 has insufficient access control in
  the RTMP implementation, allowing an attacker to disconnect RTMP streams
  traversing a Proxy Node.
summary: >-
  Pexip Infinity 38.0 and 38.1 before 39.0 has insufficient access control in
  the RTMP implementation, allowing an attacker to disconnect RTMP streams
  traversing a Proxy Node.
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-863
vendor: pexip
product: pexip_infinity
affected:
  - 'pexip_infinity >= 38.0, < 39.0'
patched:
  - pexip_infinity 39.0
published: '2025-12-25'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T13:10:00.713'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-66378'
references:
  - url: 'https://docs.pexip.com/admin/security_bulletins.htm'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00254
epssPercentile: 0.15483
ingestedAt: '2026-10-07T13:31:04.565Z'
---

## Overview

Pexip Infinity 38.0 and 38.1 before 39.0 has insufficient access control in the RTMP implementation, allowing an attacker to disconnect RTMP streams traversing a Proxy Node.

## Affected

- `pexip_infinity >= 38.0, < 39.0`

## Remediation

Upgrade past the affected range:

- `pexip_infinity 39.0`