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NVD security advisoryCritical

Critical advisory for Stack-based buffer overflow and missing

CVE-2026-78403 · Reported 30 Oct 2026

Full advisory details, affected packages, severity context, and original source.

Affected technology

Stack-based buffer overflow and missingAffected product

Advisory overview

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.

Related references

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Stack-based buffer overflow and missing authorization vulnerability in Thales Sentinel Keys Server on Windows | Security report | Cevnitra