CVE-2026-64636 — HIGH (7.7)

Vulnerability Description

An SQL injection vulnerability in Plesk Obsidian up to 18.0.80 for Linux and Windows allows an authenticated user to read arbitrary data from the panel database.

CVSS Score

7.7

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-89

References

https://support.plesk.com/hc/en-us/articles/42431868205079

FAQ

What is CVE-2026-64636?

CVE-2026-64636 is a vulnerability with a CVSS score of 7.7 (HIGH). An SQL injection vulnerability in Plesk Obsidian up to 18.0.80 for Linux and Windows allows an authenticated user to read arbitrary data from the panel database.

How severe is CVE-2026-64636?

CVE-2026-64636 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-64636?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.