Skip to main content
EPSS 0.6%top 55%

Argument injection in WP Toolkit for cPanel 6.11.2-10794 and earlier allows remote authenticated users to read arbitrary files and execute arbitrary… (CVE-2026-87900)

0
Critical
Published: 09/23/2026 (09/23/2026, 21:30:59 UTC)
Source: GCVE Database

Description

An argument injection vulnerability exists in WP Toolkit for cPanel version 6.11.2-10794 and earlier. This flaw allows remote authenticated users to read arbitrary files and execute arbitrary code across customer accounts. The vulnerability is critical due to its potential for unauthorized access and code execution.

CVSS v4.0

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
High
Subsq. Integrity
High
Subsq. Availability
High
Scope
X
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected software

cpanel/wp-toolkit
pkg:rpm/cpanel/wp-toolkit
Affected versions
<=6.11.2-10794

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/24/2026, 06:56:29 UTC

Technical Analysis

CVE-2026-87900 describes an argument injection vulnerability in WP Toolkit for cPanel versions 6.11.2-10794 and earlier. Authenticated remote attackers can exploit this flaw to read arbitrary files and execute arbitrary code across different customer accounts, potentially leading to full compromise of affected systems. The vulnerability is associated with CWE-88 (Argument Injection).

Potential Impact

Successful exploitation enables remote authenticated users to read any file and execute arbitrary code across customer accounts, severely compromising confidentiality, integrity, and availability of the affected systems.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-3vmc-c4p8-fp6x
Osv Schema Version
1.4.0
Aliases
["CVE-2026-87900"]
Database Specific Severity
CRITICAL
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ab4be87f7a7c54106f0df11

Added to database: 09/24/2026, 06:09:11 UTC

Last enriched: 09/24/2026, 06:56:29 UTC

Last updated: 09/25/2026, 05:47:33 UTC

Views: 8

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses