CVE-2026-33989: Mobile Next is an MCP server for mobile development and automation

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HIGH 8.1UPGRADE

CVE-2026-33989 is a high-severity flaw (CVSS 8.1) affecting mobile mcp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mobile Next is an MCP server for mobile development and automation. Prior to version 0.0.49, the `@mobilenext/mobile-mcp` server contains a Path Traversal vulnerability in the `mobile_save_screenshot` and `mobile_start_screen_recording` tools. The `saveTo` and `output` parameters were passed directly to filesystem operations without validation, allowing an attacker to write files outside the intended workspace. Version 0.0.49 fixes the issue.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-22, CWE-73
Published	2026-03-27
Last modified	2026-10-26

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

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-27 22:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

mobilenexthq mobile mcp UPGRADE

Affected: < 0.0.49

Fixed in: 0.0.49

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls mobile-mcp

2. UPGRADE to 0.0.49

npm install mobile-mcp@">=0.0.49"

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-2026-33989?

mobile mcp: upgrade to 0.0.49. Exact commands for each OS are on this page.

Is CVE-2026-33989 being exploited?

CVE-2026-33989 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-2026-33989 affect?

CVE-2026-33989 affects mobile mcp. Severity is high (CVSS 8.1). Mobile Next is an MCP server for mobile development and automation. Prior to version 0.0.49, the `@mobilenext/mobile-mcp` server contains a Path Traversal vulnerability in the `mobile_save_screenshot` and `mobile_start_screen_recording` too

How urgent is CVE-2026-33989?

Priority 44/100. High severity; Public exploit reference

References

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