CVE-2026-78403
Received
Received - Intake
Remote Code Execution in Thales Sentinel Keys Server
Vulnerability report for CVE-2026-78403, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-30
Last updated on: 2026-10-30
Assigner: Thales Group
Description
Description
Stack-based buffer overflow and missing
authorization vulnerability in Thales Sentinel Keys Server on Windows allows
Overflow Buffers. Sentinel Keys Server does not check the length of the first
field in the HTTP request. An attacker may craft an HTTP request and send it to
Sentinel Keys Server. It may lead to remote code execution as NT
AUTHORITY\SYSTEM.
This issue affects Sentinel Keys Server:
versions lower than 1.3.8.0.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Thalesgroup | Sentinel Keys Server | 0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
