CVE-2026-94395
Stack-based buffer overflow in SafeNet Authentication Client SIS token engine
CVSS Score
6.8
EPSS Score
0.0%
EPSS Percentile
0th
A stack-based buffer overflow in Thales SafeNet Authentication Client (SAC) SIS token engine processing can be triggered by a malicious physical or software-emulated smart card. The issue can occur before authentication or PIN entry and may cause a denial of service or potentially arbitrary code execution with the privileges of the affected process. Affected releases start with SAC 10.8 R7 and include SAC 10.9 R3 GA (build 10.9.7449).
| CWE | CWE-1284 CWE-787 CWE-121 |
| Vendor | thalesgroup |
| Product | safenet authentication client sis token engine |
| Published | Nov 5, 2026 |
| Last Updated | Nov 5, 2026 |
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Affected Versions
Thalesgroup / Safenet Authentication Client SIS token engine
10.8 R7 ≤ 10.9 R3 (build 10.9.7449)
References
Credits
Jonas Lejon, Triop AB