CVE-2026-6847

Critical

Description

Remote Code Execution vulnerability exists in ThemisNETPanel due to missing authentication for a critical file upload function. The application exposes an endpoint that allows unauthenticated attackers to upload arbitrary PHP files by providing a base64-encoded payload and to execute arbitrary code on the underlying server. This issue has been fixed by a patch released in April 2026.

SeverityCritical
CVSS9.3
Exploit probability—
ProductThemisNETPanel
PublishedJul 13, 2026
First seenJul 13, 2026

How to fix

Update
  • 4real ThemisNETPanel04.2026 or later

Affected products

ProductAffected versionsFixed in
4real ThemisNETPanelv < 04.202604.2026

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