CVE-2026-87898
📛 CVE Title
CVE-2026-87898
Description
OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- hackerone
- CVSS severity
- CRITICAL
- CVSS score
- 9.4 / 10
- CVSS vector
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- Effective score
- 9.4 / 10 CRITICAL source: CNA overview
- CWE(s)
-
CWE-78 - Reserved
- 2026-09-09
- Published
- 2026-09-23 19:52 UTC
- Last updated
- 2026-09-23 20:06 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/87xxx/CVE-2026-87898.json
- Linked Threat
- CVE-2026-87898 — CVE-2026-87898
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-09-23 20:17:20 UTC
- NVD last modified
- 2026-09-23 21:17:03 UTC
NVD / KEV / EPSS data refreshed 2026-09-24 04:32 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-85618 - Assigner
- hackerone
- Published
- Sep 23, 2026, 7:52:47 PM
- Updated
- Sep 23, 2026, 8:06:28 PM
- EUVD base score (CVSS 4.0)
-
9.4 / 10
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 - EUVD-reported EPSS
- 0.0000
- Vendors
- WebPros
- Products
-
Plesk extension "Site Import" (1.6.6 ≤1.12.1)
- Aliases
-
GHSA-q589-mpmp-9796
ENISA description: OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| WebPros | Plesk extension "Site Import" |
1.6.6 (affected),
1.12.2 (unaffected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://support.plesk.com/hc/en-us/articles/43641151026583 support@hackerone.com
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.qualys.com
The August 2026 Microsoft Patch Tuesday release delivers security fixes for vulnerabilities affecting a wide range of Microsoft products and services.
2026-09-24 11:10 UTC -
web:cvefeed.io
The following list is the news that have been mention CVE-2026-87898 vulnerability anywhere in the article. Results are limited to the first 20 news articles due to potential performance issues. The following table lists the changes that have been made to the CVE-2026-87898 vulnerability over time.
2026-09-24 11:10 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-09-24 11:10 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-24 11:10 UTC -
web:support.microsoft.com
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...
2026-09-24 11:10 UTC -
web:support.servicenow.com
Due to additional analysis provided by the security researcher who discovered CVE - 2026 -6876, we have upgraded the severity rating of CVE - 2026 -6876 from High to Critical. This change affects only the severity
2026-09-24 11:10 UTC -
web:windowsforum.com
Microsoft published CVE - 2026 -62878 on August 11 as a Windows DNS Server Remote Code Execution Vulnerability, putting systems that run the Windows DNS Server role into the immediate patch -and-verify queue.
2026-09-24 11:10 UTC -
web:www.action1.com
This CISO-focused summary highlights the vulnerabilities and critical infrastructure risks that should take priority for remediation following Microsoft's September 2026 Patch Tuesday release.
2026-09-24 11:10 UTC -
web:www.cisecurity.org
<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...
2026-09-24 11:10 UTC -
web:www.computerworld.com
August's Patch Tuesday is a big one: 751 fixes, an exploited WinSock flaw and plenty of critical Windows, Office and Exchange issues.
2026-09-24 11:10 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-87898.json.
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