What is CVE-2025-66429?

CVE-2025-66429 is a high-severity vulnerability in Cpanel, classified under Path Traversal. CVSS score: 8.8/10. Published 2025-12-11.

How severe is CVE-2025-66429?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Cpanel

CVE-2025-66429

An issue was discovered in cPanel 110 through 132. A directory traversal vulnerability within the Team Manager API allows for overwrite of an arbitrary file. This can allow for privilege escalation to the root user.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2025-12-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Cpanel

Weakness classification (CWE)

CWE-22 — Path Traversal

References

docs.cpanel.net/release-notes/release-notes/ (Not Applicable)
docs.cpanel.net/changelogs/126-change-log/ (Release Notes)

Frequently asked questions

What is CVE-2025-66429?: CVE-2025-66429 is a high-severity vulnerability in Cpanel, classified under Path Traversal. CVSS score: 8.8/10. Published 2025-12-11.
How severe is CVE-2025-66429?: High severity. CVSS v3 base score is 8.8 out of 10.