CVE-2026-4130: NI SystemLink · Cleartext Storage of Sensitive Information
Affects NI SystemLinkSource CVE Database V5
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.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Total control over the software or total information disclosure
CISA SSVC assessment, 2026-09-11.
- 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
|
Description
There is a storage of sensitive information in cleartext vulnerability in NI SystemLink. This vulnerability may allow an attacker with local access to obtain sensitive information stored by the system in the clear. This vulnerability affects NI SystemLink and NI SystemLink Server versions prior to 2026 Q3.