VulnerabilityDeferred

CVE-2026-78308

Improper Authentication vulnerability in DIAEnergie allows Authentication Bypass.

CRITICAL 9.8EPSS 0.40%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper Authentication vulnerability in DIAEnergie allows Authentication Bypass. This issue affects DIAEnergie: before 1.11.00.022.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.40% probability · 34th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-287
Source: 759f5e80-c8e1-4224-bead-956d7b33c98b

EPSS trend

EPSS moved from 0.3% on 24 September 2026 to 0.4% on 26 October 2026.

References

https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00014_DIAEnergie%20Multiple%20Vulberabilities%20(CVE-2026-78308%20~%2078313).pdf
https://pellera.com/blog/delta-electronics-diaenergie-unauthenticated-remote-code-execution-vulnerability-chain/

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.