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CVE-2026-3457

Stored XSS vulnerability in Sentinel ACC

MEDIUM
6.8
CVSS Score
Published: March 27, 2026 at 09:05 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorSentinel Ldk Run Time Environment

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sentinel Ldk Run Time Environment· Thalesgroup
90%
v < 10.22
Affected range stops below 10.22, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://supportportal.thalesgroup.com/csm?id=kb_article_view&sys_kb_id=5c18186b478aa950128dca72e36d4391&sysparm_article=KB0027106

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUMTHA-PSIRT
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-79

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