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VulnerabilityCVE-2026-65643Published 2026-09-01

CVE-2026-65643 — WebPros cPanel

high (derived)Public exploit2 PoC repos

As of 2026-09-02, CVE-2026-65643 is a High-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in WebPros cPanel, CVSS v4.0 8.7, EPSS 0.8% (57.7th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-65643, most recently “CVE-2026-65643: Arbitrary File Creation in cPanel/WHM Domain Parking Leads to Root-Level Code Execution”.

CVSS v4.0
8.7/10High (derived)
EPSS
0.8%Higher than 57.7% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
1Campaigns referencing it
Priority
8.7/10Threadlinqs triage score
Published
Updated 2026-09-02
CVSS v4.0 8.7 (High, derived from score) · EPSS 0.8% (higher than 57.7% of all scored CVEs) · Priority 8.7/10 · Published 2026-09-01

Last updated:

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.

The record classifies CVE-2026-65643 under weakness class CWE-95. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 39 days ago.

Severity and exploitation probability

CVSS v4.0 base score
8.7 — High (derived from score)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS (FIRST)
0.8% probability of exploitation in the next 30 days, higher than 57.7% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
8.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-09-01, last modified 2026-09-02

Is CVE-2026-65643 being exploited?

Weaponised exploit code for CVE-2026-65643 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 48 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-65643

No vendor patch reference has been recorded for CVE-2026-65643 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-65643

1 tracked threat in the Threadlinqs corpus references CVE-2026-65643, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on .

Other references