CVE-2026-6847 Unauthenticated Remote Code Execution in ThemisNETPanel
Unauthenticated attackers can upload arbitrary PHP files to execute code on ThemisNETPanel servers, requiring immediate patching.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-6847?
CVE-2026-6847 is a critical vulnerability in 4real ThemisNETPanel, published on 13 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-6847?
How do I fix CVE-2026-6847?
No fix has been published for CVE-2026-6847 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-6847 being exploited?
There is no known exploitation of CVE-2026-6847 in the wild and no public exploit code.
Sources
Also known as GHSA-mv86-7wh5-m4jc.