CVE-2026-65643
CVE-2026-65643 is a high-severity vulnerability in Cpanel with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-95.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-95
- Affected product: Cpanel
- Published:
- Last modified:
Description
Eval injection in cPanel 11.138.0.0 and earlier allows remote authenticated users to execute arbitrary code as root.
Frequently asked questions
- What is CVE-2026-65643?
- Eval injection in cPanel 11.138.0.0 and earlier allows remote authenticated users to execute arbitrary code as root.
- How severe is CVE-2026-65643?
- CVE-2026-65643 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-65643 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-65643?
- CVE-2026-65643 affects Cpanel. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-65643?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-65643 published?
- CVE-2026-65643 was published on 2026-09-01 and last updated on 2026-09-17.
References
Affected products (1)
- cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
More vulnerabilities in Cpanel
- CVE-2004-1770 — Critical (CVSS 10.0): The login page for cPanel 9.1.0, and possibly other versions, allows remote attackers to execute arbitrary code via…
- CVE-2004-1769 — Critical (CVSS 10.0): The "Allow cPanel users to reset their password via email" feature in cPanel 9.1.0 build 34 and earlier, including 8.x,…
- CVE-2003-1425 — Critical (CVSS 10.0): guestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter.
- CVE-2026-41940 — Critical (CVSS 9.8): cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows…
- CVE-2020-26108 — Critical (CVSS 9.8): cPanel before 88.0.13 mishandles file-extension dispatching, leading to code execution (SEC-488).
- CVE-2020-26105 — Critical (CVSS 9.8): In cPanel before 88.0.3, insecure chkservd test credentials are used on a templated VM (SEC-554).
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- CVE-2025-68271 — Critical (CVSS 10.0): OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems.…
- CVE-2013-10070 — Critical (CVSS 10.0): PHP-Charts v1.0 contains a PHP code execution vulnerability in wizard/url.php, where user-supplied GET parameter names…
- CVE-2022-36010 — Critical (CVSS 10.0): This library allows strings to be parsed as functions and stored as a specialized component,…
- CVE-2026-57149 — Critical (CVSS 9.9): plone.app.portlets.portlets provides a Plone-specific user interface for plone.portlets, as well as a standard set of…
Browse all CWE-95 (Eval Injection) vulnerabilities →
Threat intelligence
Threat-intel indicators referencing this CVE:
- 18.228.228.159 (ipv4-addr)
- 3.19.213.118 (ipv4-addr)
- 56.155.73.159 (ipv4-addr)
- 13.206.73.237 (ipv4-addr)