CVE-2026-15706
Auth bypass in Baylan BMS lets unauthenticated actors control smart meters and admin functions
Is CVE-2026-15706 being exploited?
Not confirmed. CVE-2026-15706 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 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-15706?
CVE-2026-15706 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-2026-15706?
Yes. A fix has been recorded for CVE-2026-15706. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-15706 affect?
CVE-2026-15706 affects Baylan Smart Meter Management Application (BMS) < v1.1.10.142. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-15706?
Upgrade BMS to v1.1.10.142+, restrict network access to BMS, rotate credentials, audit logs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attackers can access admin functions: control meters, alter readings/configs, push firmware, and disrupt billing or operations.
Immediate action required
- affected< v1.1.10.142
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.