CVE-2025-66378

MEDIUM

Published Dec 25, 2025 Modified Jan 5, 2026 CWE-863

Description

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.

CVSS v3.1 Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
pexip	pexip_infinity	38.0 — 39.0

References

Advisories & Patches

https://docs.pexip.com/admin/security_bulletins.htm

Frequently Asked Questions

What is CVE-2025-66378? +

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. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2025-66378? +

CVE-2025-66378 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-66378? +

CVE-2025-66378 affects products from pexip, specifically: pexip_infinity. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66378? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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