What is CVE-2026-87900?
Argument injection in WP Toolkit for cPanel 6.11.2-10794 and earlier allows remote authenticated users to read arbitrary files and execute arbitrary code across customer accounts.
The record classifies CVE-2026-87900 under weakness class CWE-88. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 17 days ago.
Severity and exploitation probability
- CVSS v4.0 base score
- 9.4 — Critical (derived from score)
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 - EPSS (FIRST)
- 0.6% probability of exploitation in the next 30 days, higher than 47.8% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 6.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-09-23
Is CVE-2026-87900 being exploited?
It currently carries a trending score of 43 in the Threadlinqs vulnerability feed.
Affected products and versions
- WebPros: WP Toolkit for cPanel
How to fix CVE-2026-87900
No vendor patch reference has been recorded for CVE-2026-87900 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-2026-87900
1 tracked threat in the Threadlinqs corpus references CVE-2026-87900, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.