CVE-2026-6847
Unauthenticated RCE via file upload in ThemisNETPanel admin endpoint.
Is CVE-2026-6847 being exploited?
Not confirmed. CVE-2026-6847 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 0.88% probability of exploitation in the next 30 days.
How severe is CVE-2026-6847?
CVE-2026-6847 is rated Critical with a CVSS score of 9.3. 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-2026-6847?
Yes. A fix has been recorded for CVE-2026-6847. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-6847 affect?
CVE-2026-6847 affects ThemisNETPanel (unpatched versions prior to Apr 2026), Web servers hosting ThemisNETPanel, PHP-enabled hosting environments. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-6847?
Apply Apr 2026 vendor patch immediately; restrict access, audit uploads and rotate credentials.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attackers can upload/execute arbitrary PHP, achieving remote code execution and full server compromise.
Immediate action required
- affected< 04.2026
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.