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CVE-2026-64636VulnerabilityPublished

Plesk Obsidian · SQL Injection Vulnerability

Source GCVE Database

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Authoritative record:CVE-2026-64636· High 7.7

Not known to be exploited · CVSS 7.7 High : upgrade to 18.0.80.1 soon.

Data as of 5 Nov 2026, 23:24 UTC

CVSS 3.1 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 18.0.80.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

Upgrade Plesk to 18.0.80.1.

Affected software

ProductAffectedFixed in
WebProsPleskAffected
  • >=18.0.51 <18.0.80.1
Fixed in
  • 18.0.80.1

AI-suggested

If you cannot patch yet, restrict access to authenticated users and monitor for suspicious activity related to database queries.

Description

An SQL injection vulnerability exists in Plesk Obsidian up to version 18.0.80 for Linux and Windows. This flaw allows an authenticated user to read arbitrary data from the panel database, potentially exposing sensitive information. The vulnerability has a high severity rating with a CVSS score of 7.7.

References

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