Symlink Attack Affecting @appium/support package, versions <7.2.6


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.65% (50th percentile)

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  • Snyk IDSNYK-JS-APPIUMSUPPORT-21193882
  • published18 Oct 2026
  • disclosed15 Oct 2026
  • creditNikko Enggaliano Pratama

Introduced: 15 Oct 2026

NewCVE-2026-103975  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade @appium/support to version 7.2.6 or higher.

Overview

@appium/support is a Support libs used across Appium packages

Affected versions of this package are vulnerable to Symlink Attack via the ZIP extraction logic in zip.ts when processing archive entries that contain symlinks pointing outside the destination directory. An attacker who supplies a malicious ZIP archive can include a symlink whose target resolves to a path outside the intended extraction root, causing subsequent file writes to land at arbitrary filesystem locations controlled by the attacker.

CVSS Base Scores

version 4.0
version 3.1