How severe is CVE-2026-33989?

CVE-2026-33989 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-33989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33989?

CVE-2026-33989 affects Mobilenexthq Mobile Mcp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33989?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-33989 have an EU (EUVD) identifier?

Yes. CVE-2026-33989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16882.

When was CVE-2026-33989 published?

CVE-2026-33989 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-33989

CVE-2026-33989 is a high-severity vulnerability in Mobilenexthq Mobile Mcp with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16882
Weakness: CWE-22
Affected product: Mobilenexthq Mobile Mcp
Published: 2026-03-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-33989?: 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.
How severe is CVE-2026-33989?: CVE-2026-33989 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-33989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33989?: CVE-2026-33989 affects Mobilenexthq Mobile Mcp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33989?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-33989 have an EU (EUVD) identifier?: Yes. CVE-2026-33989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16882.
When was CVE-2026-33989 published?: CVE-2026-33989 was published on 2026-03-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mobilenexthq:mobile_mcp:*:*:*:*:*:node.js:*:*

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