CRITICAL 9.3 NVD

CVE-2026-78403

Stack-based buffer overflow and missing authorization vulnerability in Thales Sentinel Keys Server on Windows allows Overflow Buffers. Sentinel Keys Server does

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.

References

https://supportportal.thalesgroup.com/csm?id=kb_article_view&sys_kb_id=50fc9f3b3b005f10bba

Published: 2026-10-30 · Source: NVD · Feed updated: 2026-10-30

This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-10-30 via NVD.

Risk Timeline

CVE Disclosed2026-10-30 · -1 days ago

Remediation Resources

Official Advisory

supportportal.thalesgroup.com/csm?id=kb_article_view&sys_kb_id=50fc9f3

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