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Vulnerability record · CVE-2020-26100 · published 25 September 2020

CVE-2020-26100: Cpanel vulnerability

Cpanel · Cpanel

chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).

9.8 CVSS 3.1 Critical EPSS 1.6% · top 25.0%
9.8CVSS 3.1 base score, v2 7.5
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.cpanel.net/changelogs/88-change-log/ Release NotesVendor Advisory
https://docs.cpanel.net/changelogs/88-change-log/ Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2026-41940cPanel and WHM login flow authentication bypasscPanel, WHM and WP Squared versions after 11.40 contain a missing-authentication flaw in the login flow (CWE-306) that lets unauthenticated remote at…KEVEPSS 99%analysed10.0CVE-2004-1769Cpanel vulnerabilityThe "Allow cPanel users to reset their password via email" feature in cPanel 9.1.0 build 34 and earlier, including 8.x, allows remote attackers to ex…EPSS 35%10.0CVE-2004-1770Cpanel vulnerabilityThe login page for cPanel 9.1.0, and possibly other versions, allows remote attackers to execute arbitrary code via shell metacharacters in the user …EPSS 10%10.0CVE-2003-1425Cpanel improper input validation vulnerabilityguestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter.EPSS 11%9.8CVE-2020-26105Cpanel improper authentication vulnerabilityIn cPanel before 88.0.3, insecure chkservd test credentials are used on a templated VM (SEC-554).EPSS 1.4%9.8CVE-2020-26108Cpanel vulnerabilitycPanel before 88.0.13 mishandles file-extension dispatching, leading to code execution (SEC-488).EPSS 2.5%9.8CVE-2020-26098Cpanel vulnerabilitycPanel before 88.0.3 mishandles the Exim filter path, leading to remote code execution (SEC-485).EPSS 3.0%9.8CVE-2020-26101Cpanel improper authentication vulnerabilityIn cPanel before 88.0.3, insecure RNDC credentials are used for BIND on a templated VM (SEC-549).EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2020-26100), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.