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TI-2026-73889 Aliases CVE-2026-73793GHSA-gg8w-382j-74wv

HPE NonStop Middleware secret key handling and deserialization flaw

Priority LOW 34CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
Low · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

HPE NonStop Middleware software from Hewlett Packard Enterprise contains a secret key handling flaw and a deserialization flaw, tracked as CWE-502. Versions T1155L01^AAF and earlier are affected. An attacker with high privileges on the network can exploit this with a high attack complexity, with a scope change, and the impact is high integrity and availability loss plus low confidentiality loss.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0027 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Hewlett Packard EnterpriseHPE NonStop MiddlewareT1155L01^AAF and earlier and later—No fix listedCNA
  • HPE NonStop Middleware VendorHewlett Packard Enterprise Affected T1155L01^AAF and earlier and later Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for HPE NonStop Middleware.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-14 Threatist record created from CVE-2026-73793
  2. 2026-10-14 Alias added: GHSA-gg8w-382j-74wv
  3. 2026-10-14 Priority changed: MEDIUM → LOW
  4. 2026-10-15 CISA SSVC decision points changed

References

  • TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-02747 Heap-based buffer overflow in Adobe Flash Player before 13.0.0.296 and 14.x through 18.x… KEVCVSS 3.1CRITICAL 9.8
  • TI-2013-04219 HP ProCurve Manager (PCM) 3.20 and 4.0, PCM+ 3.20 and 4.0, Identity Driven Manager (IDM)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2012-01607 sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI… KEVCVSS 3.1CRITICAL 9.8
  • TI-2005-02634 HP OpenView Network Node Manager 6.2 through 7.50 allows remote attackers to execute… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-07113 Integer overflow in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before… KEVCVSS 3.1HIGH 8.8
See all 2514 →

Sources