CVE-2026-67397

HIGH
8.5
CVSS Score
Published: September 3, 2026 at 11:57 PM UTC
Updated: September 8, 2026 at 07:59 PM UTC
1 product affected across 1 vendorPlesk Obsidian

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Severity
HIGH8.5
Exploit prediction
EPSS 0.2%
SSVC
No known 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 18.0.79.918.0.80 ≤ v < 18.0.80.518.0.80
Affected range stops below 18.0.79.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.0.80.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHhackerone
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-22

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