WebPros Plesk prior 18.0.79.8/18.0.80.4 DNS zone management neutralization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.61

Summaryinfo

A vulnerability was found in WebPros Plesk. It has been rated as critical. This vulnerability affects the function DNS zone management. This manipulation causes neutralization. This vulnerability is registered as CVE-2026-65646. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in WebPros Plesk. It has been declared as critical. Affected by this vulnerability is the function DNS zone management. The manipulation with an unknown input leads to a neutralization vulnerability. The CWE definition for the vulnerability is CWE-707. The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties are met before being read from an upstream component or sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Improper neutralization of special elements in Plesk allows remote authenticated users to disclose arbitrary local files and escalate privileges.

The advisory is shared at support.plesk.com. This vulnerability is known as CVE-2026-65646 since 07/22/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available.

Upgrading to version 18.0.79.8 or 18.0.80.4 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Neutralization
CWE: CWE-707 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Plesk 18.0.79.8/18.0.80.4

Timelineinfo

07/22/2026 CVE reserved
08/26/2026 +35 days VulDB entry created
08/27/2026 +0 days Advisory disclosed
08/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: support.plesk.com
Status: Confirmed

CVE: CVE-2026-65646 (🔒)
GCVE (CVE): GCVE-0-2026-65646
GCVE (VulDB): GCVE-100-396025

Entryinfo

Created: 08/27/2026 00:18
Changes: 08/27/2026 00:18 (66)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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