Security readout for executives and security teams
Plain-English summary
This is a high-impact command injection flaw in the Node.js systeminformation library. If an application lets a user influence the network interface passed to wifiNetworks(), that input can reach a retry path unsafely and run commands with the application’s privileges. The fixed version is 5.30.8.
Executive priority
Treat this as a priority dependency update where systeminformation is present in production or endpoint tooling. Business urgency is highest when untrusted users can influence network interface selection, because successful exploitation could run code as the Node.js process.
Technical view
systeminformation before 5.30.8 sanitizes the iface parameter on the initial wifiNetworks() scan, but the empty-result retry reuses the original unsanitized iface. That value is passed into an OS wifi scan command path, creating CWE-78 command injection when iface is user-controlled.
Likely exposure
Exposure is likely in Node.js services, agents, dashboards, or local tools that depend on systeminformation <5.30.8 and pass user-controlled interface names into si.wifiNetworks(). Systems that never call wifiNetworks(), or only use trusted fixed interface values, have lower practical exposure.
Exploitation context
The source bundle does not report active exploitation, and KEV is false. Exploitation depends on reaching an application path that calls wifiNetworks() with attacker-controlled iface input, especially when the first scan returns no results and the retry path runs.
Researcher notes
The vulnerable behavior is specific to wifi.js retry handling after an empty initial scan. The evidence names arbitrary command execution and patch version 5.30.8, but the bundle does not include exploit-in-the-wild evidence or downstream affected package conclusions.
Mitigation direction
- Upgrade systeminformation to version 5.30.8 or later.
- Rebuild and redeploy services so lockfiles and runtime packages use the fixed version.
- Remove user control over iface values passed to wifiNetworks().
- Validate iface against a strict allowlist of expected interface names.
- Check vendor advisories and downstream distribution guidance for packaged copies.
Validation and detection
- Inventory package manifests, lockfiles, containers, and SBOMs for systeminformation versions below 5.30.8.
- Search application code for si.wifiNetworks() and iface parameters sourced from requests or user input.
- Confirm deployed runtimes load systeminformation 5.30.8 or later.
- Add regression tests covering empty wifi scan retry behavior with unsafe iface-like input.
- Review dependency scanner results for CVE-2026-26280 across production artifacts.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-26280 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9GitHub_MCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9redhat-SADPVulnerability scoring details
Base CVSS 3.1 score
8.4HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base CVSS 3.1 score
8.4HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- ADP timelineredhat-SADP
Made public.
- CVE publishedCVE Program
The CVE record was published.
- ADP timelineredhat-SADP
Reported to Red Hat.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
- 2026-02-19T21:03:41.860Z: Reported to Red Hat.
- 2026-02-19T19:43:05.868Z: Made public.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-9c88-49p5-5ggfCVE reference, GitHub_M · x_refsource_CONFIRM
- https://github.com/sebhildebrandt/systeminformation/commit/22242aa56188f2bffcbd7d265a11e1ebb808b460CVE reference, GitHub_M · x_refsource_MISC
- https://access.redhat.com/security/cve/CVE-2026-26280CVE reference, redhat-SADP · vdb-entry, x_refsource_REDHAT
- RHBZ#2441121CVE reference, redhat-SADP · issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26280.jsonCVE reference, redhat-SADP · x_sadp-csaf-vex
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.