CVE-2026-58500: MCP Appium is an MCP server that provides AI assistants with tools to automate mobile app testing on Android a

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HIGH 8.2UPGRADE

CVE-2026-58500 is a high-severity flaw (CVSS 8.2) affecting appium-mcp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MCP Appium is an MCP server that provides AI assistants with tools to automate mobile app testing on Android and iOS. In versions prior to 1.85.10, the createLocatorGeneratorUI function interpolates attacker-controlled element attributes — text, content-desc, resource-id, and locator selector values — directly into an HTML template literal without any HTML or JavaScript context escaping. An attacker who controls the UI of the app under test can i

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-07-13
Last modified	2026-10-24

Publisher (CNA): GitHub, Inc. · Vendor: appium

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-13 22:16 UTCPublished CVE record published
2026-10-24 22:10 UTCUpdated Record last modified

appium appium-mcp UPGRADE

Affected: <= 1.85.9

Fixed in: newer than 1.85.9

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls appium-mcp

2. UPGRADE to newer than 1.85.9

npm install appium-mcp@">1.85.9"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-58500?

appium-mcp: upgrade to newer than 1.85.9. Exact commands for each OS are on this page.

Is CVE-2026-58500 being exploited?

CVE-2026-58500 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-58500 affect?

CVE-2026-58500 affects appium-mcp. Severity is high (CVSS 8.2). MCP Appium is an MCP server that provides AI assistants with tools to automate mobile app testing on Android and iOS. In versions prior to 1.85.10, the createLocatorGeneratorUI function interpolates attacker-controlled element attributes —

How urgent is CVE-2026-58500?

Priority 42/100. High severity; Public exploit reference

Software pages

Android vulnerabilities · iOS vulnerabilities

References

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