CVE-2026-4130: NI SystemLink · Cleartext Storage of Sensitive Information
Affects NI SystemLinkSource GCVE Database
Not known to be exploited · CVSS 7.1 High : upgrade to 26.5.0 soon.
Data as of 26 Oct 2026, 12:29 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 26.5.0
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade SystemLink and SystemLink Server to 26.5.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| NISystemLink | Affected
| Fixed in
|
| NISystemLink Server | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict local access to trusted users only and monitor for unauthorized access attempts.
Description
CVE-2026-4130 is a vulnerability in NI SystemLink and NI SystemLink Server 2026 Q3 and earlier versions where sensitive information is stored in cleartext. This flaw allows an attacker with local access to retrieve sensitive data without needing to bypass encryption or other protections. The vulnerability has a high severity rating with a CVSS score of 7.1.