---
id: CVE-2026-30281
title: >-
  An arbitrary file overwrite vulnerability in MaruNuri LLC v2.0.23 allows
  attackers to overwrite critical internal files via the file import process,
  leading to arbitrary code execution or information exposure.
summary: >-
  An arbitrary file overwrite vulnerability in MaruNuri LLC v2.0.23 allows
  attackers to overwrite critical internal files via the file import process,
  leading to arbitrary code execution or information exposure.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-73
vendor: maru
product: neo.maru
affected:
  - neo.maru = 2.0.23
published: '2026-03-31'
updated: '2026-07-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-30281'
references:
  - url: 'https://github.com/Secsys-FDU/AF_CVEs/issues/21'
    label: cve@mitre.org
  - url: 'https://maru.xyz/'
    label: cve@mitre.org
  - url: 'https://play.google.com/store/apps/details?id=neo.maru'
    label: cve@mitre.org
  - url: 'https://secsys.fudan.edu.cn/'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00856
epssPercentile: 0.56578
ingestedAt: '2026-07-24T20:38:02.260Z'
---

## Overview

An arbitrary file overwrite vulnerability in MaruNuri LLC v2.0.23 allows attackers to overwrite critical internal files via the file import process, leading to arbitrary code execution or information exposure.

## Affected

- `neo.maru = 2.0.23`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.