major vulnerability· requires attention

Root remote code execution in a widely deployed Plesk control-panel extension; can fully compromise hosting servers and customer sites, requiring org-wide attention.

Applications

CVE-2026-107246

9.2

Critical

EPSS 0.40%Patch available

Plesk Site Import extension path traversal enables root RCE.

exploited

No known exploitation not in CISA KEV as of our last sync

fix

Patch available see the advisory in the references

likelihood

EPSS 0.40%top 65% of scored CVEs

Published 10 Nov 2026Analysed here 10 Nov 2026CVSS scored by the publisher (CNA)

common questions

Is CVE-2026-107246 being exploited?

Not confirmed. CVE-2026-107246 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.40% probability of exploitation in the next 30 days.

How severe is CVE-2026-107246?

CVE-2026-107246 is rated Critical with a CVSS score of 9.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-107246?

Yes. A fix has been recorded for CVE-2026-107246. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-107246 affect?

CVE-2026-107246 affects Plesk Site Import extension <1.13.2, Plesk control panel installations using the extension. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-107246?

Upgrade Site Import to 1.13.2+, restrict access and rotate credentials.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary

technical analysis

affected

Plesk Site Import extension <1.13.2Plesk control panel installations using the extension

impact

Non-owner subscription user can perform path traversal to redirect a privileged backend session to attacker-controlled files, achieving arbitrary code execution as root.

action required

Immediate action required

affected versions

WebPros Plesk extension "Site Import"

affected< 1.13.2

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

timeline

10 Nov 2026Published
10 Nov 2026CVE record last updated · same day later
10 Nov 2026Analysed by vulneraibility.com · 1 day later

how to fix

Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.

references

NVD CVE.org CVE Details Source

1 reference in the CVE record: 1 link

Linksupport.plesk.com /hc/en-us/articles/44831088501527-Vulnerability-CVE-2026-107246-in-Plesk-s-Site-

sources

CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
NVD: CVSS and CPE data
FIRST EPSS: exploit probability and percentile
Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.

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