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CVE-2026-43910

HIGH Exploitation: PoC
8.2
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-43910
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-05-04 16:11 UTC
Published
2026-07-28 15:38 UTC
Last updated
2026-07-28 17:07 UTC
Primary CWE
CWE-441
CWE-441: Unintended Proxy or Intermediary ('Confused Deputy'…
Vendor / Product
appium / java-client
Sources
cve.org  ·  NVD

Severity & Metrics

8.2 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
appium java-client — >= 8.2.1, < 10.1.1
Weakness (CWE)
CWESourceDescription
CWE-441 cna CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')
CWE-918 cna CWE-918: Server-Side Request Forgery (SSRF)
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.2 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
References (4)
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