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  4. CVE 2026 116673 systeminformation path traversal in linux
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Back to active CVEs
Low · CVSS 3.3CVE-2026-116673

systeminformation: Path traversal in Linux networkStats() allows symlink-based file disclosure outside /sys/class/netCVE-2026-116673

Answer in brief

CVE-2026-116673 records a Low severity (CVSS 3.3) vulnerability in systeminformation: Path traversal in Linux networkStats() allows symlink-based file disclosure outside /sys/class/net. The current sources do not mark it as known exploited. The current feed maps sebhildebrandt/systeminformation (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 27, 2026Updated Oct 27, 2026Source checked Oct 27, 2026First seen by HOL Oct 27, 2026Material review Oct 27, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 3.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 3.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps sebhildebrandt/systeminformation (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
sebhildebrandt/systeminformationgeneric<5.33.145.33.14

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for sebhildebrandt/systeminformation.
  2. 2Review the reported fix. Update sebhildebrandt/systeminformation to 5.33.14 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 27, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 27, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 27, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

systeminformation is a System and OS information library for node.js. Prior to 5.33.14, the Linux networkStats(iface) implementation uses the caller-supplied interface value in an fs.existsSync() check and to build /sys/class/net/<iface> paths, including the operstate path, without verifying that it is a single interface-name segment or that the resolved path remains under /sys/class/net. An attacker who can control iface and create a directory containing symlinked statistics files can use parent-directory components and symlink traversal to make the API return the first line of a file readable by the Node.js process. The package does not expose a network endpoint, and the demonstrated scenario requires local filesystem setup. This issue is fixed in version 5.33.14.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • systeminformation: Prototype pollution in `networkStats()` via the interface nameSame sebhildebrandt/systeminformation package
  • Fireware OS Missing Command Validation allows Authenticated Arbitrary File Modification as RootAlso CWE-59

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-22, CWE-59
Source
CVE List V5
Source checked
Oct 27, 2026
References
3 linked sources
Open source record