CVE-2026-68492

HIGH

8.7

CVSS Score

Published: September 23, 2026 at 07:52 PM UTC

Updated: September 24, 2026 at 09:27 PM UTC

2 products affected across 1 vendorPlesk ObsidianPlesk Restful API

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Severity

HIGH8.7

Exploit prediction

EPSS 0.7%

SSVC

No known exploit

Description

An untrusted search path vulnerability in Plesk from 18.0.34 before 18.0.80.8 and 18.0.81 before 18.0.81.1 allows remote authenticated users to execute arbitrary code as root via the "Plesk RESTful API" extension from 2.4.2 before 2.4.7.

Affected

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

Plesk Obsidian · Webpros

60%

18.0.34 ≤ v < 18.0.80.818.0.81 ≤ v < 18.0.81.118.0.34 18.0.81

Affected range stops below 18.0.80.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.0.81.1, so it looks safe — our inference, not a vendor statement

Plesk Restful API · Webpros

60%

2.4.2 ≤ v < 2.4.72.4.2

Affected range stops below 2.4.7, 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.

References (1)

Source: cverecord

https://support.plesk.com/hc/en-us/articles/43644058632983

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.7HIGHhackerone

Vector?

Quick Info

StatusAWAITING ANALYSIS

CWE

CWE-426

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