ChangeIntel IT change radar

Public mode

No access to your tenant or devices. Every item links to its source. What this means

CVE-2026-65646

Plesk · Vulnerability

CVSS 3.0 9.9 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-65646

Published

Improper neutralization of special elements in in Plesk's DNS zone management functionality allows remote authenticated users to disclose arbitrary local files and escalate privileges.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-65646

Published

Plesk

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "vendor": "WebPros",
                    "product": "Plesk",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "18.0.79.11",
                            "versionType": "semver"
                        },
                        {
                            "version": "18.0.80",
                            "status": "affected",
                            "lessThan": "18.0.80.7",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON