Thalesgroup
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
CVE-2026-78403 Oct 30, 2026 Source: Vendor
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.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-78403
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CVE-2026-78403
BR2026-0000-040084
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Credited as Matt Hetelson