CVE-2026-3457

Stored script execution via undisclosed input handling

Published Mar 27, 2026 · Updated Mar 27, 2026

Stored cross-site scripting in Thales Sentinel LDK Runtime before 10.22 on Windows allows local users to inject script into Sentinel ACC. Thales has not disclosed the affected ACC field, storage path, or output context that fails to neutralize untrusted input. Exploitation requires local access and runs persistent script in the ACC origin, enabling data reads or actions with the viewing session's privileges.

CVSS severityUnavailable
Unscored
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in Thales Sentinel LDK Runtime before 10.22 on Windows allows local users to inject script into Sentinel ACC. Thales has not disclosed the affected ACC field, storage path, or output context that fails to neutralize untrusted input. Exploitation requires local access and runs persistent script in the ACC origin, enabling data reads or actions with the viewing session's privileges.

The record

CVE
CVE-2026-3457
Published
Mar 27, 2026
Updated
Mar 27, 2026
Vendor
Thales Group
Product
Sentinel LDK Run-time Environment
Classifications
CWE-79, CAPEC-592
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <10.22

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Thales Group · Sentinel LDK Run-time Environmentversion=0 <10.22

Published CVSS scores

7.0THA-PSIRTCVSS: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 describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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