HPE NonStop Middleware - Secret key handling vulnerability

published 2026-10-14 26 d ago modified 2026-10-14 26 d ago also EUVD-2026-100948

cvss: 7.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits: 0; none known

HPE NonStop Middleware software has secret key handling and data deserialization vulnerability.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 26 d ago (2026-10-14)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.9	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:H

Affected products

Hewlett Packard Enterprise HPE NonStop Middleware

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

support.hpe.com /hpesc/public/docDisplay?docId=hpesbns05148en_us&docLocale=en_US

Sources

CVE List CVE-2026-73793
NVD CVE-2026-73793

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary