Skip to content
Web

CVE-2026-40814

8.7
High
EPSS 0.32%Patch availableMay 28, 2026

Unauthenticated SQLi in dataapi.php at _mb24confi_getTagAlarm.

common questions

Is CVE-2026-40814 being exploited?

Not confirmed. CVE-2026-40814 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 0.32% probability of exploitation in the next 30 days.

How severe is CVE-2026-40814?

CVE-2026-40814 is rated High with a CVSS score of 8.7. 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-2026-40814?

Yes. A fix has been recorded for CVE-2026-40814. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-40814 affect?

CVE-2026-40814 affects Web app containing dataapi.php; function _mb24confi_getTagAlarm. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-40814?

Patch when available; enforce input validation and WAF.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Web app containing dataapi.php; function _mb24confi_getTagAlarm
impact

Unauthenticated SQLi allows data exfiltration; total loss of confidentiality.

action required

Immediate action required

affected versions
MB connect line mbCONNECT24
  • affected<= 2.20.0
  • affected2.20.0
MB connect line mymbCONNECT24
  • affected<= 2.20.0
  • affected2.20.0
Helmholz myREX24V2
  • affected<= 2.20.0
  • affected2.20.0
Helmholz myREX24V2.virtual
  • affected<= 2.20.0
  • affected2.20.0

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.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
get alerted

Track only the vulnerabilities that affect your infrastructure.

start for free