OS Command Injection in systeminformation (CVE-2026-26318)
Summary
OS command injection in systeminformation (CVE-2026-26318). Successful exploitation can lead to full system takeover. Exploitable via locate. Mitigation: upgrade to 5.31.0 or later.
Original description
The description as published by the source.
systeminformation is a System and OS information library for node.js. Versions prior to 5.31.0 are vulnerable to command injection via unsanitized locate output in versions(). Version 5.31.0 fixes the issue.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-26318 has been found in systeminformation.
Attackers can target a specific entry point like locate over the network to misuse the product.
Successful exploitation can lead to full system takeover. CVSS score: 8.8/10.
What to do: upgrade systeminformation to 5.31.0 or later.
If unsure, ask your IT team or search "systeminformation CVE-2026-26318" on the vendor's site.
CVE-2026-26318 (systeminformation) — CWE-78 / CVSS v3 8.8
Attack vector: local / no user interaction
Attack surface: locate / plocate.db / mlocate.db / plocate
Patched: 5.31.0 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
OS command injection (CWE-78) exists in systeminformation. Attackers reach the vulnerable code path via locate.
Check the vendor advisory for the affected versions of systeminformation. Attack surface: locate / plocate.db / mlocate.db / plocate.
Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover.
Update to 5.31.0.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'systeminformation' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'systeminformation' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
systeminformationを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade systeminformation to 5.31.0ステージング環境で 5.31.0 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-26318 node-systeminformation
- Ubuntu UBUNTU-CVE-2026-26318 jupyterlab
References
- advisory github.com
- advisory access.redhat.com
- advisory nvd.nist.gov
- advisory github.com
- patch github.com
- report bugzilla.redhat.com
- web security.access.redhat.com
- web github.com