High 7.5Published Jan 7, 2026

CVE-2025-65518Plesk Obsidian versions 8.0.1 through 18.0.73 are vulnerable to a Denial of Service (DoS) condition.

Updated under an hour ago (Oct 27, 2026, 7:00 AM ET)

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It affects Red Hat OpenShift Dev Spaces and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-400, CWE-606
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Red Hat Red Hat OpenShift Dev Spaces redhat:openshift_devspaces	3	CISA ADP
webpros plesk_obsidian webpros:plesk_obsidian	from 8.0.1 before 18.0.73	NVD

References

References

https://github.com/Jainil-89/CVE-2025-65518/blob/main/cve.md	third-party-advisory
https://docs.plesk.com/release-notes/obsidian/change-log/	release-notes
https://access.redhat.com/security/cve/CVE-2025-65518
https://bugzilla.redhat.com/show_bug.cgi?id=2428098
https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-65518.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.