CVE-2026-116673
systeminformation: Path traversal in Linux networkStats() allows symlink-based file disclosure outside /sys/class/net
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.
- Affected
- sebhildebrandt · systeminformation
- CVSS v3.1 GITHUB
- 3.3 LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - EPSS
- 0.13% chance of exploitation in the next 30 days, 2nd percentile
- Published
- 2026-10-27
- Updated
- 2026-10-28
Proof-of-concept exploits (1)
CVE references
- sebhildebrandt/systeminformation/commit/8d294b3139fec654a912969ac898037578a218cdREFERENCE
- sebhildebrandt/systeminformation/releases/tag/v5.33.14REFERENCE
- sebhildebrandt/systeminformation/security/advisories/GHSA-4vjg-vx72-qq4gREFERENCE