CVE-2026-73793Network attack vector

Unspecified impact for privileged remote users

Published Oct 14, 2026 · Updated Oct 14, 2026

Deserialization flaws in HPE NonStop Middleware Tools allow remote authenticated users unspecified impact via network requests. The accessible CNA record identifies secret key handling and data deserialization but does not disclose the faulty operation or affected routine. Exploitation requires high privileges; the specific data access and service-failure outcomes remain undisclosed in the accessible record.

CVSS severity7.9
High
EPSS probability0.36%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Deserialization flaws in HPE NonStop Middleware Tools allow remote authenticated users unspecified impact via network requests. The accessible CNA record identifies secret key handling and data deserialization but does not disclose the faulty operation or affected routine. Exploitation requires high privileges; the specific data access and service-failure outcomes remain undisclosed in the accessible record.

The record

CVE
CVE-2026-73793
Published
Oct 14, 2026
Updated
Oct 14, 2026
Vendor
Hewlett Packard Enterprise
Product
HPE NonStop Middleware Tools
Classifications
CWE-502, CAPEC-131
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=T1155L01^AAF and earlier

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Hewlett Packard Enterprise · HPE NonStop Middleware Toolsversion=T1155L01^AAF and earlier

Published CVSS scores

7.9Hewlett Packard EnterpriseCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
CAPEC-131Resource Leak Exposure

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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