Cross-Site Scripting Vulnerability in Thales Sentinel LDK Runtime for Windows
CVE-2026-3457

7HIGH

Key Information:

Vendor

Thalesgroup

Status
Sentinel Ldk Runtime
Vendor
CVE Published:
27 March 2026

What is CVE-2026-3457?

A Cross-Site Scripting (XSS) vulnerability exists in Thales Sentinel LDK Runtime on Windows, allowing attackers to execute malicious scripts within the context of the user's session. This vulnerability enables the storage of arbitrary scripts, which can lead to unauthorized data access and manipulation. The affected versions are those prior to 10.22, and users should upgrade to mitigate the security risk effectively.

Affected Version(s)

Sentinel LDK Runtime Windows 0 < 10.22

References

https://supportportal.thalesgroup.com/csm?id=kb_article_v...
vendor-advisory

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Josh Dillon
.