High severity · published Aug 7, 2026
CVE-2026-64636
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
7.7
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PL
Plesk · WebPros
18.0.51 before 18.0.80.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-64636
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-64636
support.plesk.com
https://support.plesk.com/hc/en-us/articles/42431868205079
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