Appium java-client Allows Network Pivot via Unvalidated directConnect Redirect in AppiumCommandExecutor

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-43910
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-28 16:18:12 UTC
Updated2026-07-30 19:17:21 UTC
DescriptionAppium 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.

Risk And Classification

Primary CVSS: v3.1 8.2 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

EPSS: 0.002350000 probability, percentile 0.146570000 (date 2026-07-31)

Problem Types: CWE-441 | CWE-918 | CWE-441 CWE-441: Unintended Proxy or Intermediary ('Confused Deputy') | CWE-918 CWE-918: Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
3.1CNADECLARED8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Appium Java-client affected >= 8.2.1, < 10.1.1 Not specified

References

ReferenceSourceLinkTags
github.com/appium/java-client/releases/tag/v10.1.1 [email protected] github.com
github.com/appium/java-client/commit/2b9cd442b9dbf56ccc6f1e83aeeb411c0ec... [email protected] github.com
github.com/appium/java-client/security/advisories/GHSA-28f5-38xr-jh2w 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/appium/java-client/pull/2408 [email protected] github.com
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