Detections
Analytics

CVE-2026-87899

critical

Description

Execution with unnecessary privileges in cPanel allows remote authenticated users to execute arbitrary code with root privileges.

References

https://thehackernews.com/2026/09/new-cpanel-flaw-lets-hosting-account_0272795595.html

https://support.cpanel.net/hc/en-us/articles/43591715125271-Security-CVE-2026-87899-Vulnerability-in-cPanel-s-CalDAV-CardDAV-September-22-2026

https://support.cpanel.net/hc/en-us/articles/43591715125271

Details

Source: Mitre, NVD

Published: 2026-09-23

Updated: 2026-09-24

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 9.4

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

Severity: Critical

EPSS

EPSS: 0.00531