What is GHSA-58x3-qrxv-fm7v?

GHSA-58x3-qrxv-fm7v is a security advisory published by GitHub Security Advisories with High severity. Stack-based buffer overflow and out-of-bounds write vulnerability in Thales Sentinel Keys Server...

Which CVE IDs does GHSA-58x3-qrxv-fm7v cover?

GHSA-58x3-qrxv-fm7v covers the following CVE IDs: CVE-2026-78402. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-58x3-qrxv-fm7v?

GHSA-58x3-qrxv-fm7v has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-58x3-qrxv-fm7vHighCVSS 7.8

Stack-based buffer overflow and out-of-bounds write vulnerability in Thales Sentinel Keys Server...

Vendor

GitHub Security Advisories

Published

October 30, 2026

Last Modified

October 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-78402 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-78402
https://supportportal.thalesgroup.com/csm?id=kb_article_view&sys_kb_id=50fc9f3b3b005f10bba8b41864e45a61&sysparm_article=KB0031216
https://github.com/advisories/GHSA-58x3-qrxv-fm7v