CVE-2026-3457 PUBLISHED

Stored XSS vulnerability in Sentinel ACC

Assigner: THA-PSIRT
Reserved: 02.03.2026 Published: 27.03.2026 Updated: 27.03.2026

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Thales Sentinel LDK Runtime on Windows allows Stored XSS.This issue affects Sentinel LDK Runtime: before 10.22.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N/E:P
CVSS Score: 7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	Low	Confidentiality	Low
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Thales
Product	Sentinel LDK Runtime
Versions	Default: unaffected affected from 0 to 10.22 (excl.)

Solutions

Upgrade current Sentinel LDK Runtime to version 10.22 or higher.

Credits

Josh Dillon finder

References

https://supportportal.thalesgroup.com/csm?id=kb_article_view&sys_kb_id=5c18186b478aa950128dca72e36d4391&sysparm_article=KB0027106

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') CWE

Impacts

CAPEC-592 Stored XSS