Plesk Obsidian versions 8.0.1 through 18.0.73 are vulnerable to a Denial of Service (DoS) condition. The vulnerability exists in the get_password.php endpoint, where a crafted request containing a malicious payload can cause the affected web interface to continuously reload, rendering the service unavailable to legitimate users. An attacker can exploit this issue remotely without authentication, resulting in a persistent availability impact on the affected Plesk Obsidian instance.
History

Fri, 09 Jan 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Plesk
Plesk obsidian
Vendors & Products Plesk
Plesk obsidian

Thu, 08 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 08 Jan 2026 18:45:00 +0000

Type Values Removed Values Added
Description Plesk Obsidian versions 8.0.1 through 18.0.73 are vulnerable to a Denial of Service (DoS) condition. The vulnerability exists in the get_password.php endpoint, where a crafted request containing a malicious payload can cause the affected web interface to continuously reload, rendering the service unavailable to legitimate users. An attacker can exploit this issue remotely without authentication, resulting in a persistent availability impact on the affected Plesk Obsidian instance.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-01-08T19:05:27.934Z

Reserved: 2025-11-18T00:00:00.000Z

Link: CVE-2025-65518

cve-icon Vulnrichment

Updated: 2026-01-08T19:04:47.204Z

cve-icon NVD

Status : Received

Published: 2026-01-08T19:15:57.043

Modified: 2026-01-08T19:15:57.043

Link: CVE-2025-65518

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-09T13:26:07Z