CVE-2026-105476 - Vulnerability Details - OpenCVE

Improper link resolution before file access in cPanel allows remote authenticated users to write arbitrary root-owned files and escalate privileges.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

WebPros

cPanel

unaffected

Version	Status	Constraints
`0`	affected	< 11.138.0.19
`0`	affected	< 11.136.0.51
`0`	affected	< 11.134.0.67
`0`	affected	< 11.110.0.154

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://support.cpanel.net/hc/en-us/articles/44356595655703-Security-CVE-2026-105476-Arbitrary-File-Write-as-Root-in-cPanel-WHM-October-20th-2026

History

Mon, 02 Nov 2026 22:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mon, 02 Nov 2026 21:15:00 +0000

Type	Values Removed	Values Added
Description		Improper link resolution before file access in cPanel allows remote authenticated users to write arbitrary root-owned files and escalate privileges.
Weaknesses		CWE-59
References		https://support.cpanel.net/hc/en-us/articles/44356595655703-Security-CVE-2026-105476-Arbitrary-File-Write-as-Root-in-cPanel-WHM-October-20th-2026

Projects

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MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2026-11-02T21:05:16.335Z

Updated: 2026-11-02T21:22:59.543Z

Reserved: 2026-10-05T15:00:00.728Z

Link: CVE-2026-105476

Vulnrichment

Updated: 2026-11-02T21:22:44.159Z

NVD

Status : Received

Published: 2026-11-02T21:17:22.707

Modified: 2026-11-02T22:17:17.623

Link: CVE-2026-105476

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-59

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