HPE NonStop Middleware secret key handling and deserialization flaw
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hewlett Packard Enterprise | HPE NonStop Middleware | T1155L01^AAF and earlier and later | — | No fix listed | CNA |
- 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
- 2026-10-14 Threatist record created from CVE-2026-73793
- 2026-10-14 Alias added: GHSA-gg8w-382j-74wv
- 2026-10-14 Priority changed: MEDIUM → LOW
- 2026-10-15 CISA SSVC decision points changed
References
More Hewlett Packard Enterprise vulnerabilities
- 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
Sources
- CVE-2026-73793 · CVE Program
- CVE-2026-73793 · NVD
- FIRST EPSS
- GHSA-gg8w-382j-74wv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences