CVE-2026-7852
Unrestricted file upload enables remote code execution in LimRAD NAC before 5.5.7.3.9.
Is CVE-2026-7852 being exploited?
Not confirmed. CVE-2026-7852 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 0.36% probability of exploitation in the next 30 days.
How severe is CVE-2026-7852?
CVE-2026-7852 is rated Critical with a CVSS score of 9.8. 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-2026-7852?
Yes. A fix has been recorded for CVE-2026-7852. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-7852 affect?
CVE-2026-7852 affects LimRAD NAC pre-5.5.7.3.9. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-7852?
Patch to 5.5.7.3.9+ immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE via unauthenticated file upload; attacker can run arbitrary code on the NAC appliance.
Immediate action required
- affected< 5.5.7.3.9
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.