CVE-2026-44451
RCE in Lumiverse via unsafe component overrides.
Is CVE-2026-44451 being exploited?
Not confirmed. CVE-2026-44451 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 0.23% probability of exploitation in the next 30 days.
How severe is CVE-2026-44451?
CVE-2026-44451 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-2026-44451?
Yes. A fix has been recorded for CVE-2026-44451. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-44451 affect?
CVE-2026-44451 affects Lumiverse app (pre-0.9.7), Lumiverse Theme Packs. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-44451?
Upgrade to 0.9.7+; validate theme content; rotate sessions.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated RCE: attacker can run arbitrary code in victim's session via malicious theme pack.
Immediate action required
- affected< 0.9.7
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.