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Vulnerability record · CVE-2026-87898 · published 23 September 2026

CVE-2026-87898: OS command injection vulnerability

OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.

9.4 CVSS 4.0 Critical EPSS 0.95% · top 40.5% CWE-78 · OS command injection Awaiting Analysis
9.4CVSS 4.0 base score
0.95%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
24 Sep 2026Last modified by NVD

Description

OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.

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:

References

LinkTags
https://support.plesk.com/hc/en-us/articles/43641151026583

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Source: NIST National Vulnerability Database (record CVE-2026-87898), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.