What is CVE-2026-78312?

CVE-2026-78312 is a critical-severity vulnerability in Deltaww Diaenergie, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-09-24.

How severe is CVE-2026-78312?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Path Traversal in Deltaww Diaenergie

CVE-2026-78312

Path Traversal in DIAEnergie. This issue affects DIAEnergie: before 1.11.00.022.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-09-24 · last modified 2026-09-24.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.2th percentile), scored 2026-09-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Deltaww Diaenergie

Weakness classification (CWE)

CWE-22 — Path Traversal

References

759f5e80-c8e1-4224-bead-956d7b33c98b

Frequently asked questions

What is CVE-2026-78312?: CVE-2026-78312 is a critical-severity vulnerability in Deltaww Diaenergie, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-09-24.
How severe is CVE-2026-78312?: Critical severity. CVSS v3 base score is 9.1 out of 10.