CVE-2026-4130

Local sensitive-information exposure from cleartext storage

Published Sep 10, 2026 · Updated Sep 10, 2026

Cleartext storage in NI SystemLink and SystemLink Server 2026 Q3 and earlier allows local users to obtain sensitive information. NI has not disclosed the storage location, data type, or code path that writes the sensitive information without encryption. Local low-privileged access is required; the advisory reports exposure of stored sensitive information but does not identify the data.

CVSS severity7.1
High
EPSS probability0.07%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext storage in NI SystemLink and SystemLink Server 2026 Q3 and earlier allows local users to obtain sensitive information. NI has not disclosed the storage location, data type, or code path that writes the sensitive information without encryption. Local low-privileged access is required; the advisory reports exposure of stored sensitive information but does not identify the data.

The record

CVE
CVE-2026-4130
Published
Sep 10, 2026
Updated
Sep 10, 2026
Vendor
National Instruments
Product
SystemLink
Classifications
CWE-312
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 10, 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 <=26.5.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

National Instruments · SystemLinkversion=0 <=26.5.0
National Instruments · SystemLink Serverversion=0 <=26.5.0

Published CVSS scores

8.4NICVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
7.1NICVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-312Cleartext Storage of Sensitive Information

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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