CRITICALCVSS v3.1 9.8Vulnerability
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 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.
Properties
- Severity
- CRITICAL
- Nvd fetched at
- 2026-10-31T00:12:10.805837+00:00
- Cvss score
- 9.8
- Cvss severity
- CRITICAL
- Retrieved at
- 2026-10-31T00:13:33+00:00
- Score
- 9.8
- Last source
- NVD
- Cvss version
- 3.1
- Cve id
- CVE-2026-78403
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-10-31T00:13:33+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-10-30T20:17:17.843
- Last modified
- 2026-10-30T20:17:17.843
Related Entities (2)
HAS_WEAKNESS (2)
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