What is CVE-2017-18426?

CVE-2017-18426 is a low-severity vulnerability in Cpanel, classified under Insertion of Sensitive Information into Log File. CVSS score: 2.7/10. Published 2019-08-02.

How severe is CVE-2017-18426?

Low severity. CVSS v3 base score is 2.7 out of 10.

Information disclosure in Cpanel

CVE-2017-18426

cPanel before 66.0.2 allows resellers to read other accounts' domain log files (SEC-288).

Published 2019-08-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (53.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Cpanel

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

documentation.cpanel.net/display/CL/66+Change+Log (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2017-18426?: CVE-2017-18426 is a low-severity vulnerability in Cpanel, classified under Insertion of Sensitive Information into Log File. CVSS score: 2.7/10. Published 2019-08-02.
How severe is CVE-2017-18426?: Low severity. CVSS v3 base score is 2.7 out of 10.