Vulnerability · Published Aug 26, 2026 · Assigned by hackerone
CVE-2026-65646
Critical 9.9
In plain English
A critical-severity injection in Plesk from WebPros. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.0)9.9Critical
Exploit odds (30 days)0.7%top 46.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper neutralization of special elements in in Plesk's DNS zone management functionality allows remote authenticated users to disclose arbitrary local files and escalate privileges.
Affected products (as reported)
Weakness: CWE-74 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H