CVE-2026-49481
Authenticated command injection in UpSnap <5.4.0 allows remote code execution.
Is CVE-2026-49481 being exploited?
Not confirmed. CVE-2026-49481 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-2026-49481?
CVE-2026-49481 is rated Critical with a CVSS score of 9.6. 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-2026-49481?
Yes. A fix has been recorded for CVE-2026-49481. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-49481 affect?
CVE-2026-49481 affects UpSnap web app < 5.4.0, Servers hosting UpSnap (Linux/Windows). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-49481?
Upgrade UpSnap to v5.4.0+ and restrict device creation to trusted admins.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated OS command execution on the UpSnap server via device ip/mac fields; low-privilege users can achieve full server compromise.
Immediate action required
- affected< 5.4.0
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.