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OpenAdvisories
High · 7.8 CVE-2026-78402 EUVD-2026-114363GHSA-58x3-qrxv-fm7v

Stack Buffer Overflow in Sentinel Keys Server

Published Oct 30, 2026 · Updated Oct 30, 2026 · Assigned by THA-PSIRT

Description

Stack-based buffer overflow and out-of-bounds
write 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 input message. A local attacker may craft an input and send it to Sentinel
Keys Server. It may lead to code execution as NT AUTHORITY\SYSTEM enabling
local privilege escalation.

This issue affects Sentinel Keys Server: versions
lower than 1.3.8.0.

Affected products

VendorProductAffectedFixed
Thalesgroup Sentinel Keys Server < 1.3.8.0 1.3.8.0

References