VulnerabilityAwaiting Analysis

CVE-2026-67397

Path traversal in Plesk 18.0.79.9 and earlier and 18.0.80 through 18.0.80.5 allows local users to execute arbitrary code as root.

HIGH 8.5EPSS 0.13%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Path traversal in Plesk 18.0.79.9 and earlier and 18.0.80 through 18.0.80.5 allows local users to execute arbitrary code as root.

CVSS 4.0: 8.5 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.13% probability · 3th percentile
CISA KEV: Not listed
Weakness: CWE-22
Source: support@hackerone.com

References

https://support.plesk.com/hc/en-us/articles/43070000520855-Vulnerability-CVE-2026-67397-Arbitrary-code-execution-as-root-in-Plesk

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.